CVE-2026-25604

CVE-2026-25604: Apache Airflow AWS Auth Manager - Host Header Injection Leading to SAML Authentication Bypass

Vendor Apache Software Foundation
Product Apache Airflow Providers Amazon
Weakness CWE-346 · Origin validation
Published March 9, 2026
Last update March 9, 2026

CVSS base score

What the vulnerability does

Description

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 should upgrade to 9.22.0 version of provider if you use AWS Auth Manager.

Key dates

Disclosure timeline

March 9, 2026 CVE published
March 9, 2026 Record updated