CVE-2026-46745: Apache Airflow FAB Auth Manager contains an LDAP filter injection vulnerability (CWE-90) that allows unauthent
CVE-2026-46745 is a medium-severity flaw (CVSS 5.3) affecting apache-airflow-providers-fab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.6% (top 53%) |
| CISA exploited list | No |
| Weakness | CWE-90 |
| Published | 2026-05-25 |
| Last modified | 2026-07-23 |
Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-46745?
apache-airflow-providers-fab: upgrade to 3.6.4. Exact commands for each OS are on this page.
Is CVE-2026-46745 being exploited?
CVE-2026-46745 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-46745 affect?
CVE-2026-46745 affects apache-airflow-providers-fab. Severity is medium (CVSS 5.3). 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
How urgent is CVE-2026-46745?
Priority 40/100. Remotely exploitable, no login, no user action; On your watchlist
Software pages
Apache Airflow vulnerabilities
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