GHSA-RV5F-CCPM-XJJ4 Apache Airflow AWS Auth Manager has Host Header Injection Leading to SAML Authentication Bypass

In AWS Auth manager, the origin of the SAML authentication has been used as provided by the client and not verified against the actual instance URL. This allowed to gain access to different instances with potentially different access controls by reusing SAML response from other instances. You...

CVE-2026-25604

CVE-2026-25604 affects Apache Airflow with the AWS Auth Manager: the code uses the client-supplied Host header to build the SAML ACS URL, bypassing validation against the configured instance URL. This enables potential cross-instance SAML token reuse and unauthorized access if a malicious Host he...