CVE-2026-46745

Medium

Description

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.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Apache-airflow-providers-fab

PublishedMay 25, 2026

First seenMay 25, 2026

Weakness typeCWE-90CWE-90

How to fix

Update

apache apache-airflow-providers-fab3.6.4 or later
apache-airflow-providers-fab3.6.4 or later

Patches

github.com/apache/airflow/pull/66417

Vendor advisories

lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh

Affected products

Product	Affected versions	Fixed in
apache apache-airflow-providers-fab	v < 3.6.4	3.6.4
apache-airflow-providers-fabPyPI	v < 3.6.4	3.6.4

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