CVE-2026-94000 Privilege escalation in Red Hat Build of Keycloak
A delegated administrator can escalate to realm-admin by adding themselves to a high-privilege group due to missing permission checks in the Admin REST API.
- 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-2026-94000?
CVE-2026-94000 is a medium-severity vulnerability in Red Hat Build of Keycloak, published on 19 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A flaw was found in the Admin REST API of Keycloak, an open-source identity and access management solution. The issue occurs in the group-membership endpoints where the system fails to check if a group grants administrative privileges before allowing a user to be added. This allows a delegated administrator with limited permissions to add themselves to a high-privilege group, potentially gaining full control over the entire realm.
Weakness: CWE-862
Which versions are affected by CVE-2026-94000?
How do I fix CVE-2026-94000?
No fix has been published for CVE-2026-94000 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-94000 being exploited?
There is no known exploitation of CVE-2026-94000 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-3g7j-6fqv-v2q4.