9.1
CRITICAL CVSS 3.1
CVE-2026-39830
Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh
Description

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.

INFO

Published Date :

May 22, 2026, 4:16 a.m.

Last Modified :

July 3, 2026, 1:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-39830 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Golang crypto
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Solution
Discard unsolicited SSH global request responses to prevent resource leaks.
  • Discard unsolicited SSH global request responses.
  • Ensure read loops are not blocked.
  • Release blocked goroutines by calling Close().
Public PoC/Exploit Available at Github

CVE-2026-39830 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-39830 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

All Public RunWhen Helm Charts - Managed by terraform

Shell Dockerfile Go Template

Updated: 1 week, 4 days ago
1 stars 1 fork 1 watcher
Born at : Sept. 18, 2023, 10:09 a.m. This repo has been linked 111 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-39830 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-39830 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 03, 2026

    Action Type Old Value New Value
    Changed Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cert_manager:1'], 'vendor': 'Red Hat', 'product': 'cert-manager Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:confidential_compute_attestation:1'], 'vendor': 'Red Hat', 'product': 'Confidential Compute Attestation', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cryostat:4'], 'vendor': 'Red Hat', 'product': 'Cryostat 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:external_secrets_operator:1'], 'vendor': 'Red Hat', 'product': 'External Secrets Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:multicluster_engine'], 'vendor': 'Red Hat', 'product': 'Multicluster Engine for Kubernetes', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_api_data_protection:1'], 'vendor': 'Red Hat', 'product': 'OpenShift API for Data Protection', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:serverless:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Serverless', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ceph_storage:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Ceph Storage 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:edge_manager:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Edge Manager 1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:windows_machine_config'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift for Windows Containers', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_service_on_aws:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift on AWS', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:container_native_virtualization:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Virtualization 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:16.2'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 16.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:quay:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Quay 3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:trusted_artifact_signer:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Trusted Artifact Signer', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_security_profiles_operator:1'], 'vendor': 'Red Hat', 'product': 'Security Profiles Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:1'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:0'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager - Tech Preview', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_data_foundation:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Openshift Data Foundation 4', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cert_manager:1'], 'vendor': 'Red Hat', 'product': 'cert-manager Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:confidential_compute_attestation:1'], 'vendor': 'Red Hat', 'product': 'Confidential Compute Attestation', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cryostat:4'], 'vendor': 'Red Hat', 'product': 'Cryostat 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:external_secrets_operator:1'], 'vendor': 'Red Hat', 'product': 'External Secrets Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:multicluster_engine'], 'vendor': 'Red Hat', 'product': 'Multicluster Engine for Kubernetes', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_api_data_protection:1'], 'vendor': 'Red Hat', 'product': 'OpenShift API for Data Protection', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:serverless:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Serverless', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ceph_storage:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Ceph Storage 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:edge_manager:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Edge Manager 1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:windows_machine_config'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift for Windows Containers', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_service_on_aws:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift on AWS', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:container_native_virtualization:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Virtualization 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:16.2'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 16.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:quay:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Quay 3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:trusted_artifact_signer:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Trusted Artifact Signer', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_security_profiles_operator:1'], 'vendor': 'Red Hat', 'product': 'Security Profiles Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:1'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:0'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager - Tech Preview', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_data_foundation:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Openshift Data Foundation 4', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'unaffected'}]
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jul. 02, 2026

    Action Type Old Value New Value
    Changed Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cert_manager:1'], 'vendor': 'Red Hat', 'product': 'cert-manager Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:confidential_compute_attestation:1'], 'vendor': 'Red Hat', 'product': 'Confidential Compute Attestation', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cryostat:4'], 'vendor': 'Red Hat', 'product': 'Cryostat 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:external_secrets_operator:1'], 'vendor': 'Red Hat', 'product': 'External Secrets Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:multicluster_engine'], 'vendor': 'Red Hat', 'product': 'Multicluster Engine for Kubernetes', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_api_data_protection:1'], 'vendor': 'Red Hat', 'product': 'OpenShift API for Data Protection', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:serverless:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Serverless', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ceph_storage:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Ceph Storage 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:edge_manager:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Edge Manager 1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_data_foundation:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Openshift Data Foundation 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:windows_machine_config'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift for Windows Containers', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_service_on_aws:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift on AWS', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:container_native_virtualization:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Virtualization 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:16.2'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 16.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:quay:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Quay 3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:trusted_artifact_signer:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Trusted Artifact Signer', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_security_profiles_operator:1'], 'vendor': 'Red Hat', 'product': 'Security Profiles Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:1'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:0'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager - Tech Preview', 'defaultStatus': 'affected'}] [{'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cert_manager:1'], 'vendor': 'Red Hat', 'product': 'cert-manager Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:confidential_compute_attestation:1'], 'vendor': 'Red Hat', 'product': 'Confidential Compute Attestation', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cryostat:4'], 'vendor': 'Red Hat', 'product': 'Cryostat 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:external_secrets_operator:1'], 'vendor': 'Red Hat', 'product': 'External Secrets Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:multicluster_engine'], 'vendor': 'Red Hat', 'product': 'Multicluster Engine for Kubernetes', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_api_data_protection:1'], 'vendor': 'Red Hat', 'product': 'OpenShift API for Data Protection', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:serverless:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Serverless', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ceph_storage:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Ceph Storage 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:edge_manager:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Edge Manager 1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:windows_machine_config'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift for Windows Containers', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_service_on_aws:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift on AWS', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:container_native_virtualization:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Virtualization 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:16.2'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 16.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:quay:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Quay 3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:trusted_artifact_signer:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Trusted Artifact Signer', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_security_profiles_operator:1'], 'vendor': 'Red Hat', 'product': 'Security Profiles Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:1'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:0'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager - Tech Preview', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_data_foundation:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Openshift Data Foundation 4', 'defaultStatus': 'unaffected'}]
  • CVE Modified by 0b0ca135-0b70-47e7-9f44-1890c2a1c46c

    Jun. 30, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:/a:redhat:enterprise_linux:9::appstream'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AppStream (v. 9)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cert_manager:1'], 'vendor': 'Red Hat', 'product': 'cert-manager Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:confidential_compute_attestation:1'], 'vendor': 'Red Hat', 'product': 'Confidential Compute Attestation', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:cryostat:4'], 'vendor': 'Red Hat', 'product': 'Cryostat 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:external_secrets_operator:1'], 'vendor': 'Red Hat', 'product': 'External Secrets Operator for Red Hat OpenShift', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:multicluster_engine'], 'vendor': 'Red Hat', 'product': 'Multicluster Engine for Kubernetes', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_api_data_protection:1'], 'vendor': 'Red Hat', 'product': 'OpenShift API for Data Protection', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_pipelines:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Pipelines', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:serverless:1'], 'vendor': 'Red Hat', 'product': 'OpenShift Serverless', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:ceph_storage:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Ceph Storage 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:edge_manager:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Edge Manager 1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:10'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:8'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 8', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/o:redhat:enterprise_linux:9'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux 9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_ai'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift AI (RHOAI)', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Container Platform 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_data_foundation:4'], 'vendor': 'Red Hat', 'product': 'Red Hat Openshift Data Foundation 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_devspaces:3'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Spaces', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:windows_machine_config'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift for Windows Containers', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_service_on_aws:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift on AWS', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:container_native_virtualization:4'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Virtualization 4', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:16.2'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 16.2', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:quay:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Quay 3', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:trusted_artifact_signer:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Trusted Artifact Signer', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_security_profiles_operator:1'], 'vendor': 'Red Hat', 'product': 'Security Profiles Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:1'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:zero_trust_workload_identity_manager:0'], 'vendor': 'Red Hat', 'product': 'Zero Trust Workload Identity Manager - Tech Preview', 'defaultStatus': 'affected'}]
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-772
    Added Reference https://access.redhat.com/errata/RHSA-2026:29455
    Added Reference https://access.redhat.com/security/cve/CVE-2026-39830
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2480684
    Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39830.json
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-39830', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-05-22T18:54:26.306252Z'}
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'golang.org/x/crypto', 'product': 'golang.org/x/crypto/ssh', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.52.0', 'versionType': 'semver'}], 'packageName': 'golang.org/x/crypto/ssh', 'collectionURL': 'https://pkg.go.dev', 'defaultStatus': 'unaffected', 'programRoutines': [{'name': 'mux.SendRequest'}, {'name': 'mux.handleGlobalPacket'}, {'name': 'channel.handlePacket'}, {'name': 'channel.SendRequest'}, {'name': 'Client.Listen'}, {'name': 'Client.ListenTCP'}, {'name': 'Client.ListenUnix'}, {'name': 'Dial'}, {'name': 'NewClientConn'}, {'name': 'NewServerConn'}, {'name': 'Session.CombinedOutput'}, {'name': 'Session.Output'}, {'name': 'Session.RequestPty'}, {'name': 'Session.RequestSubsystem'}, {'name': 'Session.Run'}, {'name': 'Session.SendRequest'}, {'name': 'Session.Setenv'}, {'name': 'Session.Shell'}, {'name': 'Session.Signal'}, {'name': 'Session.Start'}, {'name': 'Session.WindowChange'}, {'name': 'tcpListener.Close'}, {'name': 'unixListener.Close'}]}]
  • Initial Analysis by [email protected]

    Jun. 02, 2026

    Action Type Old Value New Value
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:* versions up to (excluding) 0.52.0
    Added Reference Type Go Project: https://go.dev/cl/781640 Types: Issue Tracking
    Added Reference Type Go Project: https://go.dev/cl/781664 Types: Issue Tracking
    Added Reference Type Go Project: https://go.dev/issue/79564 Types: Issue Tracking
    Added Reference Type Go Project: https://groups.google.com/g/golang-announce/c/a082jnz-LvI Types: Mailing List
    Added Reference Type Go Project: https://pkg.go.dev/vuln/GO-2026-5017 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 22, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • New CVE Received by [email protected]

    May. 22, 2026

    Action Type Old Value New Value
    Added Description A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close(), resulting in a resource leak per connection. Unsolicited global responses are now discarded.
    Added Reference https://go.dev/cl/781640
    Added Reference https://go.dev/cl/781664
    Added Reference https://go.dev/issue/79564
    Added Reference https://groups.google.com/g/golang-announce/c/a082jnz-LvI
    Added Reference https://pkg.go.dev/vuln/GO-2026-5017
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.