CVE-2025-12110 (CVSS 5.4)

Description

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-613 CWE-613

References

Other References

https://access.redhat.com/errata/RHSA-2025:21370 https://access.redhat.com/errata/RHSA-2025:21371 https://access.redhat.com/errata/RHSA-2025:22088 https://access.redhat.com/errata/RHSA-2025:22089 https://access.redhat.com/security/cve/CVE-2025-12110 https://bugzilla.redhat.com/show_bug.cgi?id=2406033 https://github.com/keycloak/keycloak/pull/43790

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-12110? +

CVE-2025-12110 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-12110? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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