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...

GHSA-WV3H-X6C4-R867 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...

CVE-2025-14559

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...

UBUNTU-CVE-2025-14559

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...

CVE-2025-14559

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...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via the validateTokenReuse method in the TokenManager class. ...

Improper Enforcement of Behavioral Workflow

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Improper Enforcement of Behavioral Workflow via the Token Exchange implementation. An attacker can obtain...

ch.iterial.keycloak.plugins:keycloak-directus-plugin (>=0.1.0 <=0.7.0), com.charlyghislain.keycloak:keycloak-importexport (>=21.0.0 <=23.0.1) +137 more potentially affected by CVE-2026-1035 via org.keycloak:keycloak-services (>=1.0-alpha-1 <=26.2.5)

org.keycloak:keycloak-services MAVEN version =1.0-alpha-1, =0.1.0, =21.0.0, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.4.10, =1.0.1, =1.0.2 - com.kleegroup.accelerator:accelerator-security-keycloakmfa =1.0.1 and more Source cves: CVE-2026-1035 Source advisory:...

GHSA-M2W5-7XHV-W6FH Keycloak does not validate and update refresh token usage atomically

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. Thi...

Keycloak does not validate and update refresh token usage atomically

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. Thi...

CVE-2026-1035

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. Thi...

CVE-2026-1035

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. Thi...

UBUNTU-CVE-2026-1035

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. Thi...

CVE-2025-14559

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...

CVE-2025-14559 Org.keycloak/keycloak-services: keycloak keycloak-services: business logic flaw allows unauthorized token issuance 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...

CVE-2025-14559

CVE-2025-14559 affects Keycloak’s keycloak-services component. A business-logic flaw in the Token Exchange flow allows a privileged client to issue access/refresh tokens for disabled users, potentially bypassing revoked privileges. Affected products/versions are echoed in connected Nessus entries...

CVE-2025-14559 Org.keycloak/keycloak-services: keycloak keycloak-services: business logic flaw allows unauthorized token issuance 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...

EUVD-2026-3686

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...

CVE-2025-14559

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...

CVE-2026-1035

CVE-2026-1035 describes a race condition in Keycloak’s TokenManager when strict refresh token rotation is enabled: the validation/update of refresh token usage is not atomic, allowing concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from one refresh to...