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TI-2026-23737 Aliases CVE-2026-30911GHSA-8x34-9q3v-h7g8

Apache Airflow: Execution API HITL Endpoints Missing Per-Task Authorization

Priority LOW 36CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

Apache Airflow versions 3.1.0 through 3.1.7 missing authorization vulnerability in the Execution API's Human-in-the-Loop (HITL) endpoints that allows any authenticated task instance to read, approve, or reject HITL workflows belonging to any other task instance. 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 0.00558 46th 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 Airflow3.1.0 to before 3.1.83.1.8Patch availableCNA
—apache-airflow (PyPI)3.1.0 to before 3.1.83.1.8Patch availableGHSA-8x34-9q3v-h7g8
  • Apache Airflow VendorApache Affected 3.1.0 to before 3.1.8 Fixed in 3.1.8 Patch available CNA
  • apache-airflow (PyPI) Vendor— Affected 3.1.0 to before 3.1.8 Fixed in 3.1.8 Patch available GHSA-8x34-9q3v-h7g8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*3.1.0 to before 3.1.8VulnerableApache
  • cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* Versions 3.1.0 to before 3.1.8 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Airflow (Apache Software Foundation) Fixed in 3.1.8
  • Fix · GHSA-8x34-9q3v-h7g8 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-2026-21416 Apache Airflow: Wildcard DagVersion Listing Bypasses Per‑DAG RBAC and Leaks MetadataPriority LOW 29
    • TI-2026-22818 Apache Airflow: DAG authorization bypassPriority LOW 20

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-30911
  2. 2026-10-03 Alias added: GHSA-8x34-9q3v-h7g8
  3. 2026-10-25 EPSS moved to the below the 50th percentile
  4. 2026-11-03 Fix available: [email protected] · CNA

References

  • 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