9.1
CRITICAL
CVSS 3.1
CVE-2026-42508
Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
Overview
Description
Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.
Details
INFO
Published Date :
May 22, 2026, 4:16 a.m.
Last Modified :
July 3, 2026, 1:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Scoring
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
Update software to enforce checks on revoked signature keys.
- Update software to version with signature key revocation checks.
- Verify that both 'key' and 'key.SignatureKey' are checked.
- Ensure CA key revocation policies are enforced.
Public PoC/Exploit Available at Github
CVE-2026-42508 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-42508.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-42508 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-42508
weaknesses.
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).
This is a collection of proof of concepts for some recent CVEs. I decide to randomly study and make some in my free time.
Python Go
Updated: 1 week, 5 days ago
0 stars
0 fork
0 watcher
Born at : June 23, 2026, 2:11 p.m.
This repo has been linked 1 different CVEs too.
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-2026-42508 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-42508 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:advanced_cluster_security:4.10::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4.9::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', '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: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: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: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:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', '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:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', '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: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:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:advanced_cluster_security:4.10::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4.9::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_builds:1'], 'vendor': 'Red Hat', 'product': 'Builds for Red Hat OpenShift', '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: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: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:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', '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:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', '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: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:assisted_installer:2'], 'vendor': 'Red Hat', 'product': 'Assisted Installer for Red Hat OpenShift Container Platform 2', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', '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. 01, 2026
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2026:26546 Added Reference https://access.redhat.com/errata/RHSA-2026:26547 Changed Affected [{'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', '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: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: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:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', '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:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', '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: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:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'unaffected'}] [{'cpes': ['cpe:/a:redhat:advanced_cluster_security:4.10::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.10', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:advanced_cluster_security:4.9::el8'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Security for Kubernetes 4.9', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', '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: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: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: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:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', '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:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', '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: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:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', '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
Jun. 30, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:/a:redhat:hummingbird:1'], 'vendor': 'Red Hat', 'product': 'Red Hat Hardened Images', '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: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: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:enterprise_linux_ai:3'], 'vendor': 'Red Hat', 'product': 'Red Hat Enterprise Linux AI (RHEL AI) 3', '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:devworkspace'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift Dev Workspaces Operator', 'defaultStatus': 'affected'}, {'cpes': ['cpe:/a:redhat:openshift_gitops:1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenShift GitOps', '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: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:openstack:17.1'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 17.1', 'defaultStatus': 'unaffected'}, {'cpes': ['cpe:/a:redhat:openstack:18.0'], 'vendor': 'Red Hat', 'product': 'Red Hat OpenStack Platform 18.0', 'defaultStatus': 'unaffected'}] Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Added CWE CWE-295 Added Reference https://access.redhat.com/errata/RHSA-2026:23262 Added Reference https://access.redhat.com/errata/RHSA-2026:23264 Added Reference https://access.redhat.com/security/cve/CVE-2026-42508 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2480688 Added Reference https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42508.json -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-42508', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-05-22T18:43:40.584666Z'} -
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/knownhosts', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '0.52.0', 'versionType': 'semver'}], 'packageName': 'golang.org/x/crypto/ssh/knownhosts', 'collectionURL': 'https://pkg.go.dev', 'defaultStatus': 'unaffected', 'programRoutines': [{'name': 'hostKeyDB.IsRevoked'}]}] -
Initial Analysis by [email protected]
May. 28, 2026
Action Type Old Value New Value Added CWE CWE-295 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/781220 Types: Issue Tracking Added Reference Type Go Project: https://go.dev/issue/79568 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-2026-5021 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:H/A:N -
New CVE Received by [email protected]
May. 22, 2026
Action Type Old Value New Value Added Description Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked. Added Reference https://go.dev/cl/781220 Added Reference https://go.dev/issue/79568 Added Reference https://groups.google.com/g/golang-announce/c/a082jnz-LvI Added Reference https://pkg.go.dev/vuln/GO-2026-5021
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.