PT-2026-45364 · Apache · Apache Airflow

Aritra Basu + 2 · Published 2026-06-01 · Updated 2026-06-05 · CVE-2026-40961

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Apache Airflow versions prior to 3.2.2

Description A bug in the login redirect route allows authenticated users to craft URLs that bypass the is safe url check. This enables the redirection of users from a trusted Airflow domain to an origin controlled by an attacker. The issue involves the next= query parameter.

Recommendations Update to version 3.2.2 or later. Place Airflow behind a reverse proxy that strips off-domain next= query parameters before they reach the login endpoint.

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BIT-AIRFLOW-2026-40961

CVE-2026-40961

Affected Products

Apache Airflow

References · 6

• https://github.com/apache/airflow/pull/65557 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-40961 · Security Note
• https://lists.apache.org/thread/qmt8ksh7gty6b8hr9w294t94j36jdv1q · Vendor Advisory
• https://osv.dev/vulnerability/BIT-airflow-2026-40961 · Vendor Advisory
• http://openwall.com/lists/oss-security/2026/05/31/2 · Note
• https://t.me/cveNotify/165433 · Telegram Post