CVE-2026-28779

HIGH 7.5

Apache Airflow: Path of session token in cookie does not consider base_url - session hijacking via co-hosted applications

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Apache Airflow versions 3.1.0 through 3.1.7 session token (_token) in cookies is set to path=/ regardless of the configured [webserver] base_url or [api] base_url. This allows any application co-hosted under the same domain to capture valid Airflow session tokens from HTTP request headers, allowing full session takeover without attacking Airflow itself. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

CWE	CWE-668
Vendor	apache software foundation
Product	apache airflow
Published	Mar 17, 2026
Last Updated	Mar 17, 2026

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Affected Versions

Apache Software Foundation / Apache Airflow

3.0.0 < 3.1.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/apache/airflow/pull/62771 lists.apache.org: https://lists.apache.org/thread/r4n5znb8mcq14wo9v8ndml36nxlksdqb openwall.com: http://www.openwall.com/lists/oss-security/2026/03/17/3

Credits

Daniel Wolf Daniel Wolf