Vulnerability in Red Hat Build Of Keycloak 26.4
CVE-2025-14559
A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a privileged client invokes the token exchange flow.
EPSS: 0.004 (36.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Red Hat Build Of Keycloak 26.4 — versions 26.4.9-1, 26.4-11, 26.4-10
- Red Hat Build Of Keycloak 26.4.9
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2025-14559?
- CVE-2025-14559 is a medium-severity vulnerability in Red Hat Build Of Keycloak 26.4, classified under CWE-840. CVSS score: 6.5/10. Published 2026-01-21.
- How severe is CVE-2025-14559?
- Medium severity. CVSS v3 base score is 6.5 out of 10.