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High severity7.2NVD Advisory· Published Jun 1, 2026· Updated Jun 2, 2026

CVE-2026-40961

CVE-2026-40961

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Apache/Airflow2 versions
    cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*range: >=3.0.0,<3.2.2
    • (no CPE)range: >=3.2.2
  • osv-coords
    pkg:bitnami/airflow
    Range: >= 3.0.0, < 3.2.2

Patches

Vulnerability mechanics

References

3

News mentions

1