PT-2026-45364 · Apache · Apache Airflow

Aritra Basu + 2 · CVE-2026-40961 · Published 2026-06-01 · Updated 2026-07-13

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.

Exploit

Fix

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BIT-AIRFLOW-2026-40961

CVE-2026-40961

ECHO-0B68-DCB2-E1B4

GHSA-6HCW-QQR8-PJJ8

PYSEC-2026-2345

Affected Products

Apache Airflow

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40961.json · Exploit
• https://github.com/apache/airflow/pull/65557 · Patch
• https://lists.apache.org/thread/qmt8ksh7gty6b8hr9w294t94j36jdv1q · Vendor Advisory
• https://osv.dev/vulnerability/BIT-airflow-2026-40961 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-40961 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40961 · Security Note
• https://osv.dev/vulnerability/GHSA-6hcw-qqr8-pjj8 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-2345 · Vendor Advisory
• https://github.com/apache/airflow · Note
• https://pypi.python.org · Note
• https://t.me/cveNotify/165433 · Telegram Post
• https://github.com/advisories/GHSA-6hcw-qqr8-pjj8 · Note
• https://pypi.org/project/apache-airflow · Note
• http://openwall.com/lists/oss-security/2026/05/31/2 · Note