MEDIUM6.5
GHSA-wv3h-x6c4-r867
Keycloak services allows the issuance of access and refresh tokens for disabled users
Quick fix
GHSA-wv3h-x6c4-r867 — org.keycloak:keycloak-services: upgrade to the fixed version with the command below.
# pom.xml: bump <version>26.5.2</version> for org.keycloak:keycloak-servicesDetails
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
Maven/org.keycloak:keycloak-services
Introduced in:
26.5.0Fixed in: 26.5.2Fix
# pom.xml: bump <version>26.5.2</version> for org.keycloak:keycloak-servicesMaven/org.keycloak:keycloak-services
Introduced in:
0Fixed in: 26.4.9Fix
# pom.xml: bump <version>26.4.9</version> for org.keycloak:keycloak-servicesReferences
- 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]