Keycloak services allows the issuance of access and refresh tokens for disabled users
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-14559US | —OT elevated | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2026:2365WEB
- https://access.redhat.com/errata/RHSA-2026:2366WEB
- https://access.redhat.com/security/cve/CVE-2025-14559WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=2421711WEB
- https://github.com/keycloak/keycloakPACKAGE
- https://github.com/keycloak/keycloak/commit/2d0aa31c4830ebaad094c3762e78b884c141e659WEB
- https://github.com/keycloak/keycloak/commit/d67349f3aa9fed5c61750619d0f9de6356aeaeffWEB
- https://github.com/keycloak/keycloak/issues/45651WEB
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