Improper Session Management

Keycloak is vulnerable to improper session management. The vulnerability is due to reuse of session identifiers and improper cleanup during logout when browser cookies are missing, which allows an attacker to gain unauthorized access to another user’s active session and receive their authenticati...

org.keycloak.protocol.oidc.endpoints.LogoutEndpoint: Offline Session takeover due to reused Authentication Session ID

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

org.keycloak.protocol.oidc.endpoints.LogoutEndpoint: Offline Session takeover due to reused Authentication Session ID

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

EUVD-2025-36502

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

Keycloak vulnerable to session takeovers due to reuse of session identifiers

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

GHSA-RG35-5V25-MQVP Keycloak vulnerable to session takeovers due to reuse of session identifiers

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

CVE-2025-12390

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

CVE-2025-12390

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

CVE-2025-12390 Org.keycloak.protocol.oidc.endpoints.logoutendpoint: offline session takeover due to reused authentication session id

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

CVE-2025-12390

A flaw was found in Keycloak. In Keycloak where a user can accidentally get access to another user's session if both use the same device and browser. This happens because Keycloak sometimes reuses session identifiers and doesn’t clean up properly during logout when browser cookies are missing. As...

Red Hat build of Keycloak 授权问题漏洞

Red Hat build of Keycloak is a web application for single sign-on from Red Hat, Inc. An authorization issue vulnerability exists in the Red Hat build of Keycloak that stems from session identifier reuse and improper cleanup upon logout, which could lead to a user accidentally obtaining another...

Spring Framework 安全漏洞

Spring Framework is the U.S. Spring team of a set of open source Java, JavaEE application framework. The framework helps developers build high-quality applications . A security vulnerability exists in Spring Security 5.7.x series prior to 5.7.8, 5.8.x series prior to 5.8.3, and 6.0.x series prior...

tendrl-api: Improper cleanup of session token can allow attackers to hijack user sessions

Tendrl API in Red Hat Gluster Storage before 3.4.0 does not immediately remove session tokens after a user logs out. Session tokens remain active for a few minutes allowing attackers to replay tokens acquired via sniffing/MITM attacks and authenticate as the target user...