CVE-2026-73122 Missing authorization in Red Hat Advanced Cluster Management for Kubernetes 2.11
Compromised managed cluster agents can read all Secrets and ConfigMaps in Channel namespaces, exposing sensitive credentials due to overly permissive auto-generated roles.
- 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-2026-73122?
CVE-2026-73122 is a high-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 of Red Hat Advanced Cluster Management (RHACM). This vulnerability allows a compromised agent from a managed cluster to gain unauthorized access to sensitive information. Specifically, the agent can read all Secrets and ConfigMaps within any Channel namespace on the hub, potentially exposing credentials for other tenants' Git and Helm repositories. This could lead to significant information disclosure.
Weakness: CWE-269
Which versions are affected by CVE-2026-73122?
How do I fix CVE-2026-73122?
No fix has been published for CVE-2026-73122 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-2026-73122 being exploited?
There is no known exploitation of CVE-2026-73122 in the wild and no public exploit code.
Sources
Also known as GHSA-5rf6-jwvg-8r55.