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.
Published: 2026-08-12
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

Restrict the creation of `Channel` resources to trusted administrators within Red Hat Advanced Cluster Management. This limits the attack surface by preventing unauthorized tenants from exploiting the confused deputy vulnerability in the `multicloud-operators-channel` component.

Tracking

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Advisories

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History

Wed, 12 Aug 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 12 Aug 2026 12:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 12 Aug 2026 01:45:00 +0000

Type Values Removed Values 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.
Title Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy
First Time appeared Redhat
Redhat acm
Weaknesses CWE-639
CPEs cpe:/a:redhat:acm:2
Vendors & Products Redhat
Redhat acm
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-08-12T16:57:43.646Z

Reserved: 2026-08-11T17:40:07.973Z

Link: CVE-2026-64927

cve-icon Vulnrichment

Updated: 2026-08-12T15:08:55.585Z

cve-icon NVD

Status : Received

Published: 2026-08-12T02:16:37.780

Modified: 2026-08-12T17:17:29.040

Link: CVE-2026-64927

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-08-11T00:00:00Z

Links: CVE-2026-64927 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-12T14:45:03Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key