CVE-2025-14559: Keycloak services allows the issuance of access and refresh tokens for disabled users
(updated )
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.
References
- access.redhat.com/errata/RHSA-2026:2365
- access.redhat.com/errata/RHSA-2026:2366
- access.redhat.com/security/cve/CVE-2025-14559
- bugzilla.redhat.com/show_bug.cgi?id=2421711
- github.com/advisories/GHSA-wv3h-x6c4-r867
- github.com/keycloak/keycloak
- github.com/keycloak/keycloak/commit/2d0aa31c4830ebaad094c3762e78b884c141e659
- github.com/keycloak/keycloak/commit/d67349f3aa9fed5c61750619d0f9de6356aeaeff
- github.com/keycloak/keycloak/issues/45651
- github.com/keycloak/keycloak/releases/tag/26.5.2
- nvd.nist.gov/vuln/detail/CVE-2025-14559
Code Behaviors & Features
Detect and mitigate CVE-2025-14559 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →