🛡️ CVE-2026-46745 — apache-airflow-providers-fab

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2026-46745 is classified as CWE-90: LDAP Injection. Input is placed into an LDAP query without neutralisation, allowing the directory lookup to be rewritten.

Affected software

CVE-2026-46745 is recorded against 1 package.

• apache-airflow-providers-fab (fixed in 3.6.4)

Timeline and source

Published on 13 July 2026 and last revised on 23 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
lists.apache.org (Web)
www.openwall.com (Web)
pypi.org (Package)
github.com (Advisory)

Other advisories for this package

apache-airflow-providers-fab has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-59243 (9.8 Critical, published 29 Jul 2026)
• ECHO-2db4-4278-75a2 (published 15 Jul 2026)
• CVE-2026-59245 (8.1 High, published 13 Jul 2026)
• CVE-2024-42447 (2.0 Low, published 7 Jul 2026)
• CVE-2024-45033 (2.0 Low, published 8 Jan 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-90: LDAP Injection) in other software:

• CVE-2026-59652 (published 3 Aug 2026)
• CVE-2026-11770 (7.5 High, published 31 Jul 2026)
• CVE-2026-58222 (8.8 High, published 30 Jul 2026)
• CVE-2026-44617 (6.5 Medium, published 30 Jul 2026)
• CVE-2026-44616 (6.5 Medium, published 30 Jul 2026)
• CVE-2026-47303 (8.8 High, published 14 Jul 2026)
• CVE-2026-44304 (8.1 High, published 13 Jul 2026)
• CVE-2026-4256 (8.2 High, published 9 Jul 2026)

Details

Affected Packages

References