CVE-2026-46745

MEDIUM5.3

Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token

Published May 25, 2026

Modified 1 weeks ago

Details

Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthenticated attackers to exfiltrate directory data or bypass authentication. Upgrade to apache-airflow-providers-fab 3.6.4 or later. If immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

References

WEB

http://www.openwall.com/lists/oss-security/2026/05/24/10

FIX

https://github.com/apache/airflow/pull/66417

ADVISORY

https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-46745

CVSS Analysis

CVSS v3.1

5.3