Auth bypass in Apache Airflow
CVE-2026-46764
The Event Log detail endpoint `GET /api/v2/eventLogs/{event_log_id}` in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint `GET /api/v2/eventLogs` a…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.001 (19.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Apache Airflow
- Apache Software Foundation Airflow — versions 0
Weakness classification (CWE)
References
- security@apache.org (Patch, patch, Issue Tracking)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-46764?
- CVE-2026-46764 is a medium-severity vulnerability in Apache Airflow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-06-01.
- How severe is CVE-2026-46764?
- Medium severity. CVSS v3 base score is 4.3 out of 10.