EUVD-2026-55980

A flaw was found in Picketlink Federation SAML; the unsolcited response handler would accept forged assertions with no verification or validation, permitting an unauthed attacker to authenticate as any principal in any role. This could lead to information disclosure, access to restricted...

PT-2026-52592

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A JWT algorithm confusion flaw exists in the JWT Authorization Grant flow. An attacker possessing valid client credentials can bypass signature verification by forging an assertion. This...

Keycloak 安全特征问题漏洞

Keycloak is an open-source identity and access management solution developed by Keycloak itself. There is a security vulnerability in Keycloak, which stems from the jwt-authorization-grant process. During token issuance, the server does not verify whether the identity provider is enabled. This...

SUSE CVE-2025-27509

fleetdm/fleet is an open source device management, built on osquery. In vulnerable versions of Fleet, an attacker could craft a specially-formed SAML response to forge authentication assertions, provision a new administrative user account if Just-In-Time JIT provisioning is enabled, or create new...

Fleet has SAML authentication vulnerability due to improper SAML response validation

Summary A vulnerability in Fleet’s SAML authentication handling could allow an attacker to forge authentication assertions and gain unauthorized access to Fleet. In certain configurations, this could result in the creation of new user accounts, including administrative accounts. This issue affect...

Signature Wrapping Vulnerability with spring-security-saml2-service-provider

Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an...