Vulnerability in Keycloak
CVE-2025-12110
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Keycloak — versions 0
- Red Hat Build Of Keycloak 26.2 — versions 26.2.11-1, 26.2-12
- Red Hat Build Of Keycloak 26.2.11
- Red Hat Build Of Keycloak 26.4 — versions 26.4.4-1, 26.4-3
- Red Hat Build Of Keycloak 26.4.4
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2025:21370 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:21371 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:22088 (vendor-advisory)
- access.redhat.com/errata/RHSA-2025:22089 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2025-12110 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- github.com/keycloak/keycloak/pull/43790
Frequently asked questions
- What is CVE-2025-12110?
- CVE-2025-12110 is a medium-severity vulnerability in Keycloak, classified under Insufficient Session Expiration. CVSS score: 5.4/10. Published 2025-10-23.
- How severe is CVE-2025-12110?
- Medium severity. CVSS v3 base score is 5.4 out of 10.