Read the docs
TI-2026-21416 Aliases CVE-2026-26929GHSA-4m3h-wp5w-5hqh

Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks Metadata

Priority LOW 29CWE-732Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

Apache Airflow versions 3.0.0 through 3.1.7 FastAPI DagVersion listing API does not apply per-DAG authorization filtering when the request is made with dag_id set to "~" (wildcard for all DAGs). As a result, version metadata of DAGs that the requester is not authorized to access is returned. Users are recommended to upgrade to Apache Airflow 3.1.8 or later, which resolves this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00422 36th percentileScored 2026-11-07
Fix Fixed Apache Airflow (Apache Software Foundation): 3.1.8apache-airflow (PyPI): 3.1.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Airflow3.0.0 to before 3.1.83.1.8Patch availableCNA
—apache-airflow (PyPI)3.0.0 to before 3.1.83.1.8Patch availableGHSA-4m3h-wp5w-5hqh
  • Apache Airflow VendorApache Affected 3.0.0 to before 3.1.8 Fixed in 3.1.8 Patch available CNA
  • apache-airflow (PyPI) Vendor— Affected 3.0.0 to before 3.1.8 Fixed in 3.1.8 Patch available GHSA-4m3h-wp5w-5hqh

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*3.0.0 to before 3.1.8VulnerableApache
  • cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* Versions 3.0.0 to before 3.1.8 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 3.1.8
  • Fix · GHSA-4m3h-wp5w-5hqh apache-airflow (PyPI) Fixed in 3.1.8 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache Airflow 3.1.8

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-22974 Exposure of resource to wrong sphere in Apache AirflowPriority MEDIUM 40
    • TI-2026-23737 Apache Airflow: Execution API HITL Endpoints Missing Per-Task AuthorizationPriority LOW 36
    • TI-2026-22818 Apache Airflow: DAG authorization bypassPriority LOW 20
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26929
  2. 2026-10-03 Alias added: GHSA-4m3h-wp5w-5hqh
  3. 2026-10-21 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 EPSS moved to the below the 50th percentile
  5. 2026-11-03 Fix available: [email protected] · CNA

References

Patch 1

Advisory 3

Other 2

  • TI-2020-10905 Missing authentication in Apache Airflow KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-09638 OS command injection in Apache Airflow KEVCVSS 3.1HIGH 8.8
  • TI-2022-19017 Apache Airflow <2.4.0 has an RCE in a bash example CVSS 3.1HIGH 8.8
  • TI-2021-16140 Apache Airflow: Variable Import endpoint missed authentication check CVSS 3.1CRITICAL 9.8
  • TI-2022-08169 Apache Airflow: RCE in example DAGs CVSS 3.1HIGH 8.8
  • TI-2024-26776 Apache Airflow: DAG Author Code Execution possibility in airflow-scheduler CVSS 3.1HIGH 8.8
See all 157 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences