What is CVE-2026-41084?

CVE-2026-41084 is a high-severity vulnerability in Apache Airflow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-01.

How severe is CVE-2026-41084?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apache Airflow

CVE-2026-41084

A bug in Apache Airflow's bulk Task Instances API (`PATCH/DELETE /api/v2/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances`) evaluated authorization against the `dag_id` resolved from the URL path while operating on the `dag_id` / `dag_run_…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.001 (19.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apache Airflow
Apache Software Foundation Airflow — versions 3.2.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

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-2026-41084?: CVE-2026-41084 is a high-severity vulnerability in Apache Airflow, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-01.
How severe is CVE-2026-41084?: High severity. CVSS v3 base score is 7.5 out of 10.