CVE-2025-11537 Keycloak-services: sensitive headers shown in the http access logs

A flaw was found in Keycloak. When the logging format is configured to a verbose, user-supplied pattern such as the pre-defined 'long' pattern, sensitive headers including Authorization and Cookie are disclosed to the logs in cleartext. An attacker with read access to the log files can extract...

CVE-2025-11537

In CVE-2025-11537, a flaw in Keycloak causes sensitive headers (Authorization and Cookie) to be logged when the logging format uses verbose templates (e.g., the predefined 'long' pattern). An attacker with read access to log files can extract credentials (bearer tokens, session cookies) and imper...

CVE-2025-11537

A flaw was found in Keycloak. When the logging format is configured to a verbose, user-supplied pattern such as the pre-defined 'long' pattern, sensitive headers including Authorization and Cookie are disclosed to the logs in cleartext. An attacker with read access to the log files can extract...

CVE-2025-11537 Keycloak-services: sensitive headers shown in the http access logs

A flaw was found in Keycloak. When the logging format is configured to a verbose, user-supplied pattern such as the pre-defined 'long' pattern, sensitive headers including Authorization and Cookie are disclosed to the logs in cleartext. An attacker with read access to the log files can extract...

PT-2026-7261

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw exists in Keycloak where sensitive headers, including Authorization and Cookie, are disclosed in cleartext within log files when a verbose, user-supplied logging format—such as the...

Keycloak 安全漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak. Keycloak has a security vulnerability. This vulnerability arises when the log format is configured to include details for users, causing sensitive headers to be disclosed in plain text within the logs. This...

GHSA-HCVW-475W-8G7P Keycloak affected by improper invitation token validation

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token JWT payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an...

Keycloak fails to verify if an Identity Provider (IdP) is enabled before issuing tokens

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...

Keycloak affected by improper invitation token validation

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token JWT payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an...

Keycloak Affected by Broken Access Control Vulnerability in the UserManagedPermissionService

A flaw was found in Keycloak. A significant Broken Access Control vulnerability exists in the UserManagedPermissionService UMA Protection API. When updating or deleting a UMA policy associated with multiple resources, the authorization check only verifies the caller's ownership against the first...

GHSA-37GF-GMXV-74WV Keycloak fails to verify if an Identity Provider (IdP) is enabled before issuing tokens

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...

GHSA-FM6W-RRP3-2X4W Keycloak Affected by Broken Access Control Vulnerability in the UserManagedPermissionService

A flaw was found in Keycloak. A significant Broken Access Control vulnerability exists in the UserManagedPermissionService UMA Protection API. When updating or deleting a UMA policy associated with multiple resources, the authorization check only verifies the caller's ownership against the first...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.2.13 Images Security Update

New images are available for Red Hat build of Keycloak 26.2.13 and Red Hat build of Keycloak 26.2.13 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...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.9 Images Security Update

New images are available for Red Hat build of Keycloak 26.4.9 and Red Hat build of Keycloak 26.4.9 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 Hat...

org.keycloak.protocol.oidc.grants: Disabled identity providers are still accepted for JWT Authorization Grant

A flaw was found in Keycloak. A vulnerability exists in the jwt-authorization-grant flow where the server fails to verify if an Identity Provider IdP is enabled before issuing tokens. The issuer lookup mechanism lookupIdentityProviderFromIssuer retrieves the IdP configuration but does not filter...

org.keycloak.services.resources.admin: Keycloak: Limited administrator can retrieve sensitive user attributes via Admin API

A flaw was found in Keycloak Admin API. This vulnerability allows an administrator with limited privileges to retrieve sensitive custom attributes via the /unmanagedAttributes endpoint, bypassing User Profile visibility settings...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.4.9 Security Update

New Red Hat build of Keycloak 26.4.9 packages are available from the Customer Portal Red Hat build of Keycloak 26.4.9 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes...

org.keycloak/keycloak-services: Keycloak keycloak-services: Business logic flaw allows unauthorized token issuance for disabled users

A flaw was found in the keycloak-services component of Keycloak. This vulnerability allows the issuance of access and refresh tokens for disabled users, leading to unauthorized use of previously revoked privileges, via a business logic vulnerability in the Token Exchange implementation when a...

org.keycloak/keycloak-services: Keycloak: Unauthorized modification of unmanaged user attributes by administrators

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...

org.keycloak.services.resources.organizations: Keycloak: Unauthorized organization registration via improper invitation token validation

A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token JWT payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an...