CVE-2025-14559

Medium · 6.5

CVSS

6.5

EPSS

0.5%

Published

Jan 21, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem	Package	Introduced	Fixed
Maven	org.keycloak:keycloak-services	0	26.4.9
Maven	org.keycloak:keycloak-services	26.5.0	26.5.2
Chainguard	keycloak-26.5	0	26.5.2-r0
Chainguard	keycloak-26.5-iamguarded-compat	0	26.5.2-r0
Chainguard	keycloak-fips-26.5	0	26.5.2-r0
Chainguard	keycloak-fips-26.5-iamguarded-fips	0	26.5.2-r0
Wolfi	keycloak-26.5	0	26.5.2-r0
Wolfi	keycloak-26.5-iamguarded-compat	0	26.5.2-r0

Related vulnerabilities

GHSA-7g5x-9c4v-4w5r Keycloak REST Services has a WebAuthn Attestation Statement Verification Bypass Also affects org.keycloak:keycloak-services
CVE-2025-12150 A flaw was found in Keycloak’s WebAuthn registration component. Also affects org.keycloak:keycloak-services
GHSA-fjf4-6f34-w64q Keycloak: Missing Check on Disabled Client for Docker Registry Protocol Also affects org.keycloak:keycloak-services
CVE-2026-2733 A flaw was identified in the Docker v2 authentication endpoint of Keycloak, where tokens… Also affects org.keycloak:keycloak-services
GHSA-37gf-gmxv-74wv Keycloak fails to verify if an Identity Provider (IdP) is enabled before issuing tokens Also affects org.keycloak:keycloak-services
GHSA-hcvw-475w-8g7p Keycloak affected by improper invitation token validation Also affects org.keycloak:keycloak-services
GHSA-fm6w-rrp3-2x4w Keycloak Affected by Broken Access Control Vulnerability in the… Also affects org.keycloak:keycloak-services
CVE-2026-1486 A flaw was found in Keycloak. Also affects org.keycloak:keycloak-services