16 matches found
CVE-2026-16103 Keycloak-services: keycloak-services: incomplete fix for ciba brute-force lockout bypass at token redemption
A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication CIBA initiation handler but were omitted from the token redemption handler. This...
CVE-2026-16103
Keycloak CVE-2026-16103 affects the keycloak-services component. It describes an incomplete fix for CVE-2026-9798: brute-force protection checks were added to the CIBA initiation path but omitted from the token redemption path. As a result, an attacker with valid client credentials can obtain acc...
CVE-2026-16103 Keycloak-services: keycloak-services: incomplete fix for ciba brute-force lockout bypass at token redemption
A flaw was found in the keycloak-services component of Keycloak. This issue is an incomplete fix for CVE-2026-9798, where brute-force protection checks were added to the Client-Initiated Backchannel Authentication CIBA initiation handler but were omitted from the token redemption handler. This...
PT-2026-60799
Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the keycloak-services component. The issue stems from an incomplete implementation of brute-force protection within the Client-Initiated Backchannel Authentication CIBA flow...
GHSA-Q6H7-XXP7-7429 Keycloak has an Authentication Bypass by Primary Weakness
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...
CVE-2026-9798
Keycloak is affected by a flaw where, after a user account is temporarily locked due to repeated failed logins, an attacker with valid client credentials can abuse the Client-Initiated Backchannel Authentication (CIBA) flow to bypass the lock. This allows continued authentication attempts and tok...
CVE-2026-9798
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...
CVE-2026-9798 Keycloak: keycloak: brute-force protection bypass in ciba flow
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...
CVE-2026-9798 Keycloak: keycloak: brute-force protection bypass in ciba flow
A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...
Authentication Bypass by Primary Weakness
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 Authentication Bypass by Primary Weakness via the Client-Initiated Backchannel Authentication CIBA flow. An...
PT-2026-44193
Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the Client-Initiated Backchannel Authentication CIBA flow allows an attacker with valid client credentials to bypass brute-force protection. When a user account is temporarily lock...
Keycloak Server-Side Request Forgery (SSRF) vulnerability
A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services...
CVE-2026-1518
Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. After further review by the Keycloak project and Red Hat, the reported SSRF via client registration/backchannel notification URIs was determined not to constitute a security vulnerability. The reported behavior is expected administrator-controlle...
CVE-2026-1518
A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services. Mitigation To mitigate this issue, restrict administrative access to Keycloak instances. Ensure that only...
PT-2026-5623
A flaw was found in Keycloak’s CIBA feature where insufficient validation of client-configured backchannel notification endpoints could allow blind server-side requests to internal services...