5.3

CVE-2026-46745: apache software foundation apache airflow fab provider LDAP Injection

CVSS: 5.3v3.1MediumAnalyzed
AliasesGHSA-g283-w6fp-c4fcPYSEC-2026-2366CGA-2c4m-xhqr-crhj
Published 25-05-2026Last modified 26-05-2026
Open JSON

Vulnerability summary

CVE-2026-46745 is a medium (CVSS 5.3) LDAP Injection vulnerability in apache software foundation apache airflow fab provider. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.2% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.76%
0%100%
Low · +0.18 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-05-2026
    PublishedVulnerability first disclosed.
  2. 26-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

+0.18 pp

From 0.57% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard2 products
  • airflow-2All versions (No fix recorded)
  • airflow-core-2All versions (No fix recorded)
Apache1 product
Apache software foundation1 product
PyPI1 product
  • apache-airflow-providers-fab< 3.6.4

4 vendors · 5 products

References

10 links