CVE-2026-75924

Managed-serviceaccount: managed-serviceaccount: hub addon-manager clusterrole grants cluster-wide secret read/write and csr approval

Published Aug 18, 2026 CVSS 3.1 · 8.7 High EPSS < 1% KEV · Not listed
Description
A flaw was found in managed-serviceaccount. A compromised addon-manager pod, due to its ClusterRole granting excessive permissions, can read any secret across all namespaces. Additionally, it can approve arbitrary Certificate Signing Requests (CSRs), which could lead to information disclosure and privilege escalation within the cluster.

Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Redhat advanced Cluster Management For Kubernetes
Vendors & Products Redhat advanced Cluster Management For Kubernetes
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Redhat multicluster Engine
CPEs cpe:/a:redhat:multicluster_engine
Vendors & Products Redhat multicluster Engine
Type Values Removed Values Added
Description A flaw was found in managed-serviceaccount. A compromised addon-manager pod, due to its ClusterRole granting excessive permissions, can read any secret across all namespaces. Additionally, it can approve arbitrary Certificate Signing Requests (CSRs), which could lead to information disclosure and privilege escalation within the cluster.
Title Managed-serviceaccount: managed-serviceaccount: hub addon-manager clusterrole grants cluster-wide secret read/write and csr approval
First Time appeared Redhat
Redhat acm
Weaknesses CWE-269
CPEs cpe:/a:redhat:acm:2
Vendors & Products Redhat
Redhat acm
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 18, 2026, 5:58 PM
Reserved
Aug 18, 2026, 3:29 PM
Status
Awaiting Analysis
Published
Aug 18, 2026, 5:17 PM
Modified
Aug 20, 2026, 1:08 PM
Severity
Important
Public date
Aug 18, 2026, 3:30 PM