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Vulnerabilities

Vulnerability · CVE-2025-12110

A flaw was found in Keycloak.

Published Oct 23, 2025 · catalog updated Jan 20, 2026 · Red Hat KeyCloak

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-12110. EPSS is 0.30%. Act only if a listed version of Red Hat KeyCloak is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Version ranges on file
Affected products
vendor Red Hat KeyCloak 0 <26.4.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Red Hat KeyCloak 0 <26.4.30 <26.4.3

How to fix CVE-2025-12110

  • Upgrade

    CVE-2025-12110 lists a fix boundary at 26.4.3. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 0 <26.4.3

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-12110. EPSS is 0.30%. Act only if a listed version of Red Hat KeyCloak is installed.

Which versions are affected?

Compare what you have installed with Red Hat KeyCloak 0 <26.4.3 0 <26.4.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 23, 2025 · EUVD

    Detected

    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.

  2. Jan 20, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-12110

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-35690

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 24, 2026
  • EUVDOct 24, 2026