Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | apache-airflow-providers-fab | < 3.6.4 | 3.6.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-46745
- https://github.com/apache/airflow/pull/66417
- https://github.com/apache/airflow/commit/3f7756bea71a7c7988511ec0557314ffb15fbe5e
- https://github.com/apache/airflow
- https://lists.apache.org/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
- http://www.openwall.com/lists/oss-security/2026/05/24/10
- https://pypi.org/project/apache-airflow-providers-fab
- https://github.com/advisories/GHSA-g283-w6fp-c4fc
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-90- Platform
- Python (PyPI)
- Package
apache-airflow-providers-fab- Disclosed
- 26.05.2026
- Updated
- 11.10.2026 14:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2366 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-g283-w6fp-c4fc - CC BY 4.0
Vulnerability history: apache-airflow-providers-fab
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 08.2024 05.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 1
- Low 2
Disclosures per year
- 2024: 1
- 2025: 1
- 2026: 1
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Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability this entry
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