CVE-2025-12390

CVE-2025-12390 affects Keycloak; it describes an offline session takeover where a user could receive another user’s tokens due to reusing session identifiers and incomplete logout cleanup when cookies are missing. Connected sources confirm this vulnerability in Keycloak and reference Red Hat advi...

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 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 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...

Duplicate Advisory: Keycloak allows access to admin path through flaw

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-j4vq-q93m-4683. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the...

GHSA-C6CM-5GC7-C3F4 Duplicate Advisory: Keycloak allows access to admin path through flaw

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-j4vq-q93m-4683. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the...

CVE-2025-10939

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to...

Uncontrolled Search Path Element

Overview Affected versions of this package are vulnerable to Uncontrolled Search Path Element via the /admin application path relative to /realms when accessed through a proxy that does not properly restrict or normalize URLs. An attacker can gain unauthorized access to sensitive administrative...

CVE-2025-10939 Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to...

CVE-2025-10939 Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to...

CVE-2025-10939

Keycloak is affected by a path traversal vulnerability (CVE-2025-10939) that can expose the admin console path via relative or non-normalized URLs (e.g., /realms/../admin/), potentially bypassing proxy restrictions intended to block /admin. Multiple sources (including GHSA entry and Nessus plugin...

CVE-2025-10939 Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to...

CVE-2025-10939

A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to...

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...

Red Hat build of Keycloak 代码问题漏洞

Red Hat build of Keycloak is a web application for single sign-on from Red Hat USA. A code issue vulnerability exists in the Red Hat build of Keycloak, which stems from a proxy misconfiguration that could result in accessing the /admin path via a non-normalized path...

PT-2025-44084

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where the /admin path can be accessed via a proxy, such as ha-proxy, by using relative or non-normalized paths. Keycloak documentation advises against exposing the...

PT-2025-44156

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak that could allow a user to gain unintended access to another user's session when both users share the same device and browser. This occurs because Keycloak may reus...

GHSA-Q8HQ-4H99-FJ7X Keycloak TLS Client-Initiated Renegotiation Denial of Service

Keycloak is vulnerable to a Denial of Service DoS attack due to the default JDK setting that permits Client-Initiated Renegotiation in TLS 1.2. An unauthenticated remote attacker can repeatedly initiate TLS renegotiation requests to exhaust server CPU resources, making the service unavailable...

Keycloak TLS Client-Initiated Renegotiation Denial of Service

Keycloak is vulnerable to a Denial of Service DoS attack due to the default JDK setting that permits Client-Initiated Renegotiation in TLS 1.2. An unauthenticated remote attacker can repeatedly initiate TLS renegotiation requests to exhaust server CPU resources, making the service unavailable...