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CVE-2025-14559

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Date: January 21, 2026

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.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2025-14559
https://github.com/keycloak/keycloak/issues/45651
https://bugzilla.redhat.com/show_bug.cgi?id=2421711
https://access.redhat.com/security/cve/CVE-2025-14559
https://github.com/keycloak/keycloak
https://www.mend.io/vulnerability-database/CVE-2025-14559

Severity Score

Weakness Type (CWE)

Incorrect Authorization

CWE-863

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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