Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.2.14 Images Update

New images are available for Red Hat build of Keycloak 26.2.14 and Red Hat build of Keycloak 26.2.14 Operator, running on OpenShift Container Platform Red Hat build of Keycloak is an integrated sign-on solution, available as a Red Hat JBoss Middleware for OpenShift containerized image. The Red Ha...

keycloak-services: Keycloak: Unauthorized access via improper validation of encrypted SAML assertions

A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language SAML broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. Thi...

keycloak: Keycloak: Unauthorized authentication via disabled SAML Identity Provider

A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider IdP to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity...

org.keycloak.broker.saml: Keycloak SAML broker: Authentication bypass due to disabled SAML client completing IdP-initiated login

A flaw was found in org.keycloak.broker.saml. When a disabled Security Assertion Markup Language SAML client is configured as an Identity Provider IdP-initiated broker landing target, it can still complete the login process and establish a Single Sign-On SSO session. This allows a remote attacker...

Improper Validation of Specified Type of 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 Type of Input via improper validation of encrypted SAML assertions. An...

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 SAML Identity Provider authentication process when it is...

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 IdentityBrokerService.performLogin endpoint allowing authentication with disabled identity providers, potentially leading to bypass of access...

PT-2026-23494

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A security issue exists in org.keycloak.broker.saml. Specifically, a disabled Security Assertion Markup Language SAML client configured as an Identity Provider IdP-initiated broker landing...

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 fact that disabled SAML clients can still complete the login process. This could allow remote attackers to gain unauthorized access to other enable...

CVE-2026-3429

A flaw was identified in the Account REST API of Keycloak that allows a user authenticated at a lower security level to perform sensitive actions intended only for higher-assurance sessions. Specifically, an attacker who has already obtained a victim’s password can delete the victim’s registered...

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 improper access control in the Account REST API. This vulnerability may allow users with low security levels to perform sensitive operations, potential...

Missing Critical Step in Authentication

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 Missing Critical Step in Authentication due to insufficient validation of the authentication Level of Assuran...

EUVD-2026-9005

A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the syste...

Keycloak REST Services has a WebAuthn Attestation Statement Verification Bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

Keycloak Server Private SPI: Improper Access Control Allows Administrators to Bypass Attribute Visibility Restrictions and Modify Unmanaged User Profile Attributes

A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the syste...

EUVD-2025-208135

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

GHSA-V4JW-M6RM-399H Keycloak Server Private SPI: Improper Access Control Allows Administrators to Bypass Attribute Visibility Restrictions and Modify Unmanaged User Profile Attributes

A flaw was found in Keycloak. An administrator with manage-users permission can bypass the "Only administrators can view" setting for unmanaged attributes, allowing them to modify these attributes. This improper access control can lead to unauthorized changes to user profiles, even when the syste...

Access Control Bypass

Overview org.keycloak:keycloak-server-spi-private is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Access Control Bypass due to the DefaultAttributes attribute filtering in the user profile...

GHSA-7G5X-9C4V-4W5R Keycloak REST Services has a WebAuthn Attestation Statement Verification Bypass

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...

CVE-2025-12150

A flaw was found in Keycloak’s WebAuthn registration component. This vulnerability allows an attacker to bypass the configured attestation policy and register untrusted or forged authenticators via submission of an attestation object with fmt: "none", even when the realm is configured to require...