CVE-2026-75924 Privilege escalation in Multicluster Engine for Kubernetes
Compromised addon-manager pods can read all secrets and approve CSRs due to excessive ClusterRole permissions, enabling privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-75924?
CVE-2026-75924 is a high-severity vulnerability in Red Hat Multicluster Engine for Kubernetes, published on 18 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2026-75924?
How do I fix CVE-2026-75924?
No fix has been published for CVE-2026-75924 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75924 being exploited?
There is no known exploitation of CVE-2026-75924 in the wild and no public exploit code.
Sources
Also known as GHSA-9h7q-h45w-4hxq.