6.4
MEDIUM CVSS 3.1
CVE-2026-64927
Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy
Description

A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.

INFO

Published Date :

Aug. 12, 2026, 2:16 a.m.

Last Modified :

Oct. 24, 2026, 4:10 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-64927 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 Redhat advanced_cluster_management_for_kubernetes
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 MEDIUM 53f830b8-0a3f-465b-8143-3b8a9948e749
CVSS 3.1 MEDIUM [email protected]
Solution
Restrict access to Secrets and ensure proper authorization for managing them.
  • Apply least privilege principles to Secret management.
  • Review and restrict permissions for Secret manipulation.
  • Update multicloud-operators-channel to the latest version.
  • Monitor access logs for suspicious Secret activity.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-64927 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-2026-64927 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).

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

The following list is the news that have been mention CVE-2026-64927 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-64927 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 Translated by [email protected]

    Oct. 24, 2026

    Action Type Old Value New Value
    Changed Translation Title: Red Hat Advanced Cluster Management for Kubernetes 2 de Red Hat, Description: Se encontró una falla en el componente multicloud-operators-channel. Esta vulnerabilidad permite a un usuario con permisos específicos manipular cómo el sistema maneja información sensible, conocida como Secrets, a través de diferentes partes del sistema (namespaces). Al explotar esto, un atacante puede modificar estos Secrets en áreas no autorizadas. Esto podría llevar a acceso no autorizado a información o privilegios elevados dentro del sistema. Title: Red Hat Advanced Cluster Management for Kubernetes 2 de Red Hat, Description: Se encontró una falla en el componente multicloud-operators-channel. Esta vulnerabilidad permite a un usuario con permisos específicos manipular cómo el sistema maneja información sensible, conocida como Secrets, a través de diferentes partes del sistema (namespaces). Al explotar esto, un atacante puede modificar estos Secrets en áreas no autorizadas. Esto podría llevar a acceso no autorizado a información o privilegios elevados dentro del sistema.
  • CVE Translated by [email protected]

    Oct. 23, 2026

    Action Type Old Value New Value
    Added Translation Title: Red Hat Advanced Cluster Management for Kubernetes 2 de Red Hat, Description: Se encontró una falla en el componente multicloud-operators-channel. Esta vulnerabilidad permite a un usuario con permisos específicos manipular cómo el sistema maneja información sensible, conocida como Secrets, a través de diferentes partes del sistema (namespaces). Al explotar esto, un atacante puede modificar estos Secrets en áreas no autorizadas. Esto podría llevar a acceso no autorizado a información o privilegios elevados dentro del sistema.
  • CVE Modified by [email protected]

    Sep. 05, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/64xxx/CVE-2026-64927.json">CVE-2026-64927</a>
  • CVE Modified by [email protected]

    Sep. 05, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/64xxx/CVE-2026-64927.json">CVE-2026-64927</a>
  • CVE Modified by [email protected]

    Aug. 27, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/64xxx/CVE-2026-64927.json">CVE-2026-64927</a>
    Added Reference https://access.redhat.com/errata/RHSA-2026:60387
    Added Reference https://access.redhat.com/errata/RHSA-2026:60388
    Added Reference https://access.redhat.com/errata/RHSA-2026:60391
  • CVE Modified by [email protected]

    Aug. 26, 2026

    Action Type Old Value New Value
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/64xxx/CVE-2026-64927.json">CVE-2026-64927</a>
    Added Reference https://access.redhat.com/errata/RHSA-2026:60386
    Added Reference https://access.redhat.com/errata/RHSA-2026:60389
    Added Reference https://access.redhat.com/errata/RHSA-2026:60390
    Added Reference https://access.redhat.com/security/cve/CVE-2026-64927
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2514229
    Removed Reference https://access.redhat.com/security/cve/CVE-2026-64927
    Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=2514229
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 12, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-64927', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-12T15:08:50.881307Z'}
  • New CVE Received by [email protected]

    Aug. 12, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:/a:redhat:acm:2'], 'vendor': 'Red Hat', 'product': 'Red Hat Advanced Cluster Management for Kubernetes 2', 'packageName': 'rhacm2/multicluster-operators-channel-rhel9', 'collectionURL': 'https://access.redhat.com/downloads/content/package-browser/', 'defaultStatus': 'affected'}]
    Added Description A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-639
    Added Reference https://access.redhat.com/security/cve/CVE-2026-64927
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2514229
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.