CVE-2026-46745
Analyzed Analyzed - Analysis Complete
LDAP Filter Injection in Apache Airflow FAB Auth Manager

Publication date: 2026-05-25

Last updated on: 2026-05-27

Assigner: Apache Software Foundation

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.
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Meta Information
Published
2026-05-25
Last Modified
2026-05-27
Generated
2026-06-15
AI Q&A
2026-05-26
EPSS Evaluated
2026-06-14
NVD
CVE-2026-46745
EUVD
EUVD-2026-31669
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache apache-airflow-providers-fab to 3.6.4 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-90 The product constructs all or part of an LDAP query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended LDAP query when it is sent to a downstream component.
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Executive Summary

The vulnerability in Apache Airflow FAB Auth Manager is an LDAP filter injection (CWE-90). This flaw allows unauthenticated attackers to manipulate LDAP queries, which can lead to unauthorized access by bypassing authentication or extracting sensitive directory data.

Impact Analysis

This vulnerability can have serious impacts including unauthorized access to systems by bypassing authentication mechanisms and the potential exfiltration of sensitive directory information. This could lead to data breaches and compromise of system integrity.

Mitigation Strategies

To mitigate this vulnerability immediately, upgrade to apache-airflow-providers-fab version 3.6.4 or later.

If an immediate upgrade is not possible, disable LDAP authentication until the provider can be updated.

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