CVE-2026-46745

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

Published May 25, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-g283-w6fp-c4fc Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability
History
Type Values Removed Values Added
First Time appeared Apache apache-airflow-providers-fab
CPEs cpe:2.3:a:apache:apache-airflow-providers-fab:*:*:*:*:*:*:*:*
Vendors & Products Apache apache-airflow-providers-fab
Type Values Removed Values Added
First Time appeared Apache
Apache airflow Fab Provider
Vendors & Products Apache
Apache airflow Fab Provider
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token
Weaknesses CWE-90
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
May 26, 2026, 8:08 PM
Reserved
May 18, 2026, 9:26 AM
Status
Analyzed
Published
May 25, 2026, 11:16 AM
Modified
Jul 23, 2026, 5:10 PM