Open redirect in Apache Airflow - CVE-2026-40961
Published: June 4, 2026
Vulnerability identifier: #VU133375
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-40961
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to redirect users to an attacker-controlled origin.
The vulnerability exists due to improper input validation in the login redirect route when handling crafted login URLs with a manipulated next= parameter. A remote user can craft a URL that bypasses the is_safe_url check to redirect users to an attacker-controlled origin.
Affected software
Apache Airflow
How to mitigate CVE-2026-40961
Install security update from vendor's website.
Apache Airflow - update to 3.2.2