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CVE-2025-14559

Org.keycloak/keycloak-services: keycloak keycloak-services: business logic flaw allows unauthorized token issuance for disabled users

Published: Jan 21, 2026Updated: Feb 10, 2026 Sources: CVE List NVD GHSA BDUCWE-840
6.5MEDIUM
NVD MITRE
EPSS Score
0.4%
Top 63.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-840

Affected Products

Red Hat Inc.
commercial·USaka Red Hat
Red Hat build of Keycloak 26.4On-premWeb App
Web & CMS Plugins
Red Hat build of Keycloak 26.4.9On-premSecurity Product
Security Products / identity-access-mgmt
KeycloakOn-prem
Operating Systems / linux-distro
Maven
package-ecosystem
org.keycloak:keycloak-services
OSS Libraries

Exploitability

Official Patch Available
Workaround Available
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References

https://access.redhat.com/errata/RHSA-2026:2365
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2366
access.redhat.com
https://access.redhat.com/security/cve/CVE-2025-14559
access.redhat.com
and 8 more references View all →

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