CVE-2026-40961: A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the `is_safe_url` check, enabling redirection from…

PriorityP344high7.2CVSS 3.1

AVNACLPRNUINSCCLILAN

EPSS

0.65%

47.3th percentile

A bug in the login redirect route in Apache Airflow allowed authenticated users to craft URLs that bypassed the `is_safe_url` check, enabling redirection from a trusted Airflow domain to an attacker-controlled origin. Users are advised to upgrade to `apache-airflow` 3.2.2 or later. As a defense-in-depth mitigation, deployment operators can place Airflow behind a reverse proxy that strips off-domain `next=` query parameters before they reach the login endpoint.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
apache	airflow	>= 3.0.0 < 3.2.2	3.2.2
apache_software_foundation	apache_airflow	>= 3.0.0 < 3.2.2	3.2.2

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