GitHub Advisoryadvisory · Maven
GHSA-wv3h-x6c4-r867 Keycloak services allows the issuance of access and refresh tokens for disabled users
MEDIUM
Official page ↗
- Aliases
- CVE-2025-14559
- Ecosystem
- Maven
- Packages
- org.keycloak:keycloak-services
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-863
- Reviewed
- 2026-01-21
Affected packages
• Maven org.keycloak:keycloak-services: >= 26.5.0, < 26.5.2 → fixed in 26.5.2
• Maven org.keycloak:keycloak-services: < 26.4.9 → fixed in 26.4.9
Description
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.
Related
Alias · CVE (1)
- CVE-2025-14559 A flaw was found in the keycloak-services component of Keycloak. vulnerability
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-14559 advisory
- https://github.com/keycloak/keycloak/issues/45651 web
- https://github.com/keycloak/keycloak/commit/2d0aa31c4830ebaad094c3762e78b884c141e659 web
- https://github.com/keycloak/keycloak/commit/d67349f3aa9fed5c61750619d0f9de6356aeaeff web
- https://access.redhat.com/errata/RHSA-2026:2365 web
- https://access.redhat.com/errata/RHSA-2026:2366 web
- https://access.redhat.com/security/cve/CVE-2025-14559 web
- https://bugzilla.redhat.com/show_bug.cgi?id=2421711 web
- https://github.com/keycloak/keycloak package
- https://github.com/keycloak/keycloak/releases/tag/26.5.2 web