CVE-2026-64927 Missing authorization in Red Hat Advanced Cluster Management for Kubernetes 2.11
An attacker with specific permissions can modify secrets in unauthorized namespaces, leading to privilege escalation and data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-64927?
CVE-2026-64927 is a medium-severity missing authorization vulnerability in Red Hat Advanced Cluster Management for Kubernetes 2.11, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-64927?
How do I fix CVE-2026-64927?
No fix has been published for CVE-2026-64927 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-64927 being exploited?
There is no known exploitation of CVE-2026-64927 in the wild and no public exploit code.
Sources
Also known as GHSA-crwr-8cwh-w292.