CVE-2026-46745 json
Apache Airflow FAB provider: LDAP Filter Injection in FAB Auth Manager _search_ldap reachable via /auth/token
published 2026-05-25 5 mo ago modified 2026-07-23 3 mo ago also GHSA-g283-w6fp-c4fc , PYSEC-2026-2366 , EUVD-2026-31669
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- pypi apache-airflow-providers-fab 3.6.4
- Apache Software Foundation Apache Airflow FAB provider 3.6.4
- github.com/apache/airflow@3f7756b commit
- github.com/apache/airflow#66417 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | apache-airflow-providers-fab | <3.6.4 |
3.6.4 |
Affected products
- Apache Software Foundation Apache Airflow FAB provider
Classification
- Weakness
-
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query
References
-
github.com
/apache/airflow/pull/66417
patch, web, issue-tracking
-
github.com
/apache/airflow/commit/3f7756bea71a7c7988511ec0557314ffb15fbe5e
web
-
lists.apache.org
/thread/dvfy0bs181xwsrjrd3y5c55ztbzm8yhh
vendor-advisory, web, mailing-list
-
openwall.com
/lists/oss-security/2026/05/24/10
web, mailing-list, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-46745
advisory
-
github.com
/apache/airflow
package
-
pypi.org
/project/apache-airflow-providers-fab
package
-
github.com
/advisories/GHSA-g283-w6fp-c4fc
advisory
Sources
- CVE List CVE-2026-46745
- GitHub Advisory GHSA-g283-w6fp-c4fc
- NVD CVE-2026-46745
- OSV PYSEC-2026-2366
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