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 should upgrade to 9.22.0 version of provider if you use AWS Auth Manager.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | apache-airflow-providers-amazon | < 9.22.0 | 9.22.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-25604
- https://github.com/apache/airflow/pull/61368
- https://github.com/apache/airflow/commit/1a86aec01d827ba8caf41b645db56663a9a61850
- https://github.com/apache/airflow
- https://lists.apache.org/thread/spwwrsmwxod7fpttcd7n7zs46j839l77
- http://www.openwall.com/lists/oss-security/2026/03/09/6
- https://pypi.org/project/apache-airflow-providers-amazon
- https://github.com/advisories/GHSA-rv5f-ccpm-xjj4
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-346- Platform
- Python (PyPI)
- Package
apache-airflow-providers-amazon- Disclosed
- 09.03.2026
- Updated
- 11.10.2026 15:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2363 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-rv5f-ccpm-xjj4 - CC BY 4.0
Vulnerability history: apache-airflow-providers-amazon
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 02.2023 08.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 3
Disclosures per year
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 3
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Apache Airflow AWS Auth Manager has Host Header Injection Leading to SAML Authentication Bypass this entry
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