← back
CVE-2026-9791

Keycloak-rhel9: organization data leak after feature disabled in keycloak

CVSS 4.3 MEDIUMEPSS 0.2%CWE-863
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.3EPSS 0.2%KEV nãoPoC Nuclei Metasploit Patch referenciado
Lifecycle
28 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect (OIDC) token with the 'organization' scope. This allows organization metadata to be disclosed in tokens, even after an administrator has explicitly disabled the Organizations feature, potentially leading to incorrect authorization decisions by resource servers.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N