CVE-2026-46745

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.

Score

CVSS 3.1 5.3 Medium

Status

Analyzed - security@apache.org

Published

2026-05-25

Last modified

2026-05-26

Weaknesses

CWE-90

Affected products

• Apache-airflow-providers-fab (Apache)
• Apache Airflow Fab Provider (Apache Software Foundation)

References

• https://github.com/apache/airflow/pull/66417
• https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
• http://www.openwall.com/lists/oss-security/2026/05/24/10