Advisory severityHigh8.7Red Hat Linux

High [CVE-2026-75924] Hub addon-manager ClusterRole grants cluster-wide Secret read/write and CSR approval

This high-severity Red Hat Linux advisory covers CVE-2026-75924.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-75924 Source published Aug 18, 2026Source updated Aug 18, 2026

VulniPulse record published Aug 19, 2026Record updated Aug 19, 2026

CVE-2026-75924

Affected products & platforms

Red Hat LinuxUnclassified

Open source advisory

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Summary

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. This vulnerability is rated Important as a compromised `addon-manager` pod in Red Hat Advanced Cluster Management for Kubernetes could gain extensive cluster-wide privileges.

Red Hat severity: Important — CVSS 8.7 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N). Weakness: CWE-269.

Red Hat lists Multicluster Engine for Kubernetes; Red Hat Advanced Cluster Management for Kubernetes 2 as not affected.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 22 days ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 22 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

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.

Official advisory · high-confidence parse· fetched 22 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Red Hat Security Data APIofficial
Official vendor source used to discover this advisory; it remains the authority for affected products and remediation. Discovered from the machine-readable feed https://access.redhat.com/hydra/rest/securitydata/cve.json; this link opens the Red Hat Linux advisory index instead of the raw feed document.
Red Hat Linux
Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Red Hat Linux
CVE.org CNA affected-product recordCVE.org
Structured CNA affected[] data independently confirmed the affected product scope; native advisory content remains authoritative.
CVE Program

Cross-references

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CVE-2026-75924NVD CVE.org MITRE

Discussion(0)

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