PT-2026-45379

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.2 Description A bug in the authentication manager logout handling allows previously issued JSON Web Tokens JWT to remain valid after a user logs out via the user interface. In deployments configured with...

Improper Verification of Cryptographic Signature

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 Verification of Cryptographic Signature via the JWT Authorization Grant flow due to algorithm...

Improper Verification of Cryptographic Signature

Overview org.keycloak:keycloak-core is an open source identity and access management solution. Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature via the JWT Authorization Grant flow due to algorithm confusion in signature verification. An attacke...

GHSA-CPF7-J4CF-VQX4 Keycloak has an Out-of-bounds Read

A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an...

GHSA-F6R7-6W34-X2GP Keycloak Vulnerable to Improper Validation of Specified Quantity in Input

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password...

GHSA-V5G5-WWMP-JPPW Keycloak has Insufficient Session Expiration

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been...

Keycloak has an Improper Verification of Cryptographic Signature issue

A flaw was found in Keycloak. When a JSON Web Encryption JWE encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leadin...

GHSA-33J3-G875-37RP Keycloak Vulnerable to Improper Handling of Insufficient Permissions or Privilege

A flaw was found in Keycloak's Client Policies, specifically within the org.keycloak.protocol.oidc component. When certain condition providers client-type, client-roles, client-attributes, client-scopes are used to enforce security restrictions, the reject-ropc-grant executor is silently bypassed...

Keycloak has an Authentication Bypass by Primary Weakness

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

GHSA-Q6H7-XXP7-7429 Keycloak has an Authentication Bypass by Primary Weakness

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

GHSA-8HCX-P7M8-GC28 Duplicate Advisory: Keycloak has privilege escalation via improper scope mapping enforcement

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-32h4-44jj-c5vx. This link is maintained to preserve external references. Original Description A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client...

GHSA-FQJH-8322-VGRV Keycloak Generates an Error Message Containing Sensitive Information

A flaw was found in Keycloak. A remote, unauthenticated attacker can exploit this vulnerability by sending specially crafted SOAP requests to the SAML ECP Security Assertion Markup Language Enhanced Client or Proxy endpoint with varying client IDs. By observing distinct faultstrings in the...

GHSA-P3V8-FM5P-V84H Keycloak has an Improper Verification of Cryptographic Signature issue

A flaw was found in Keycloak. When a JSON Web Encryption JWE encrypted request object is submitted, Keycloak may incorrectly process unsigned claims if the decrypted content is raw JSON, bypassing the configured signature policy. This allows a remote attacker to submit unauthorized claims, leadin...

GHSA-PQ65-77RC-7R8C Keycloak has a Time-of-check Time-of-use (TOCTOU) Race Condition

A flaw was found in Keycloak. An authenticated administrator with the manage-clients role can exploit a Time-of-check to time-of-use TOCTOU vulnerability in the name-based admin role checks. This allows the attacker to escalate their privileges to realm-admin for all users within the realm,...

GHSA-4Q93-V92X-P89F Keycloak Vulnerable to Incorrect Authorization

A flaw was found in Keycloak. An authenticated user with existing organization membership can exploit this flaw by accessing user-facing APIs, such as the account API or by requesting an OpenID Connect OIDC token with the 'organization' scope. This allows organization metadata to be disclosed in...

CVE-2026-9801

A flaw was found in Keycloak. A remote attacker with high privileges, such as a realm administrator configuring a malicious Lightweight Directory Access Protocol LDAP server or an attacker compromising an upstream LDAP server, could exploit this vulnerability. By sending a malformed LDAP password...

CVE-2026-9802

A flaw was found in Keycloak. When revokeRefreshToken=true is enabled and persistent session storage is in use, a server restart can reset internal timing mechanisms. This allows a remote attacker, who has previously captured a user's refresh token, to replay that token even after it has been...

CVE-2026-9798

A flaw was found in Keycloak, an open-source identity and access management solution. When a user account is temporarily locked due to repeated failed login attempts, an attacker with valid client credentials can exploit the Client-Initiated Backchannel Authentication CIBA flow to bypass this...

CVE-2026-9803

A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an...

CVE-2026-9795

A flaw was found in Keycloak's Fine-Grained Admin Permissions FGAPv2 feature. An administrator with limited client management permissions can exploit this vulnerability to assign any realm role, including highly privileged roles, to a client's scope mapping. This bypasses intended security...