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GHSA-rv5f-ccpm-xjj4

Apache Airflow AWS Auth Manager has Host Header Injection Leading to SAML Authentication Bypass

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-25604

Packages

EcosystemPackageAffectedFixed in
PyPI apache-airflow-providers-amazon < 9.22.0 9.22.0

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.