PT-2026-44185

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A remote, unauthenticated attacker can cause information disclosure by sending specially crafted SOAP requests to the SAML ECP Security Assertion Markup Language Enhanced Client or Proxy...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. There is a security vulnerability in Keycloak. This vulnerability stems from administrators with limited client management privileges being able to exploit the loophole in the fine-grained administrator...

PT-2026-44186

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in the Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can assign any realm role, including highly privileged ones, t...

Keycloak 代码问题漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has code-related vulnerabilities. These vulnerabilities arise when the revokeRefreshToken=true setting is enabled, and persistent session storage is used. A server restart can reset the internal...

Keycloak 缓冲区错误漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a buffer error vulnerability, which originates from the ClientRegistrationAuth component. A remote, unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak itself. There is a security vulnerability in Keycloak. This vulnerability stems from the fact that authenticated administrators with the manage-clients role can exploit the vulnerability in the name-based...

PT-2026-44194

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw allows a remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker who has compromis...

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 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability, which stems from the possibility for remote, unauthenticated attackers to send specially crafted SOAP requests to the SAML ECP endpoint. These requests are accompanied ...

PT-2026-44196

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the ClientRegistrationAuth component allows a remote unauthenticated attacker to cause a Denial of Service DoS. By sending a specially crafted POST request with a malformed...

GHSA-RR5Q-3XWR-F323 Keycloak Vulnerable to Improper Validation of Specified Quantity in Input

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

CVE-2026-9704

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

EUVD-2026-32300

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

CVE-2026-9704

Summary: CVE-2026-9704 affects Keycloak. An authenticated user with low privileges can trigger privilege escalation by sending an oversized subject_token JWT to the TokenEndpoint; if the token exceeds 4000 characters, it is silently dropped, causing the system to fall back to client credentials a...

CVE-2026-9704 Keycloak: keycloak: privilege escalation due to oversized subject_token jwt

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

CVE-2026-9704 Keycloak: keycloak: privilege escalation due to oversized subject_token jwt

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

CVE-2026-9704

A flaw was found in Keycloak. An authenticated user with low privileges can exploit this vulnerability by sending an oversized subjecttoken JSON Web Token JWT to the TokenEndpoint. When the token exceeds a 4000-character limit, it is silently dropped, causing the system to fall back to client...

Improper Validation of Specified Quantity in Input

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 Validation of Specified Quantity in Input in the TokenEndpoint endpoint when an oversized subjecttok...

Keycloak Services has Improper Validation of Consistency within Input

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...

GHSA-WCVJ-VPVW-9RR5 Keycloak Services has Improper Validation of Consistency within Input

A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers URIs, a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks...