Cyber Resilience

CVE-2026-46745

Medium

Published: 25 May 2026

Published
25 May 2026
Modified
27 May 2026
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0017 37.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-46745 is a medium-severity LDAP Injection (CWE-90) vulnerability in Apache Apache-Airflow-Providers-Fab. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 37.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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provider can be updated.

CWE(s)
CWE-90

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

LDAP injection in public-facing auth component directly enables unauthenticated exploitation for auth bypass or data access, mapping to T1190.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

Affected Assets

apache
apache-airflow-providers-fab
≤ 3.6.4

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References