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...

Server-Side Request Forgery (SSRF)

Keycloak is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to insufficient validation of client-configured backchannel notification endpoints in the CIBA feature, allowing attackers to trigger blind server-side requests to internal services or protected network resources...

GHSA-FWHW-CHW4-GH37 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

Keycloak SSRF issue (CVE-2026-1518) affects the CIBA backchannel notification flow. The vulnerability arises from insufficient validation of the client-configured backchannel_notification_endpoint, enabling a privileged user to trigger blind server-side requests to internal services. Documented i...

ciba-online.net Cross Site Scripting vulnerability OBB-3811391

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...