Is CVE-2026-46745 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-46745 being exploited in the wild.

How severe is CVE-2026-46745?

Medium severity, with a CVSS score of 5.3, published 25 May 2026.

Which products and versions are affected?

apache-airflow-providers-fab (PyPI) ECOSYSTEM:introduced=0,fixed=3.6.4.

Is there a fix for CVE-2026-46745?

Yes. apache-airflow-providers-fab (PyPI): upgrade to 3.6.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-46745 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-46745?

Check whether you run Apache Software Foundation Airflow FAB Provider or apache-airflow-providers-fab (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-46745: Apache Airflow FAB Auth Manager LDAP filter injection

CVE-2026-46745 · Severity: medium · CVSS 5.3 · Published 2026-05-25

Apache Airflow's FAB Auth Manager, which handles user authentication and permissions, contains a security flaw when configured to use LDAP for logins. An attacker could exploit this to bypass login screens or extract sensitive information from the organization's user directory. This could lead to unauthorized access to the Airflow environment and its data.

Technologies: Apache Software Foundation Airflow FAB Provider, apache-airflow-providers-fab (PyPI). Vendors: Apache Software Foundation, PyPI.

Quick answers

Is CVE-2026-46745 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-46745 being exploited in the wild.
How severe is CVE-2026-46745?: Medium severity, with a CVSS score of 5.3, published 25 May 2026.
Which products and versions are affected?: apache-airflow-providers-fab (PyPI) ECOSYSTEM:introduced=0,fixed=3.6.4.
Is there a fix for CVE-2026-46745?: Yes. apache-airflow-providers-fab (PyPI): upgrade to 3.6.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-46745 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-46745?: Check whether you run Apache Software Foundation Airflow FAB Provider or apache-airflow-providers-fab (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

apache-airflow-providers-fab (PyPI): upgrade to 3.6.4 or later
```
pip install "apache-airflow-providers-fab>=3.6.4"
```

Technical details

An LDAP filter injection vulnerability (CWE-90) exists in the Apache Airflow FAB Auth Manager within the `_search_ldap` function, which is reachable via the `/auth/token` endpoint. The vulnerability stems from improper neutralization of user-supplied input before it is used to construct LDAP queries. An unauthenticated remote attacker can exploit this by sending crafted requests to manipulate the LDAP query logic, potentially allowing them to bypass authentication mechanisms or exfiltrate sensitive data from the linked LDAP directory. The issue is resolved in version 3.6.4 of the `apache-airflow-providers-fab` package.

Affected products

Apache Software Foundation apache-airflow-providers-fab < 3.6.4

Identifiers

CVE-2026-46745
GHSA-g283-w6fp-c4fc
PYSEC-2026-2366

Timeline

2026-05-24: disclosed: Initial disclosure on oss-security mailing list
2026-05-25: advisory: NVD publication date
2026-05-26: advisory: GitHub Advisory published

References

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