affected:
- package:
    ecosystem: PyPI
    name: apache-airflow
    purl: pkg:pypi/apache-airflow
  ranges:
  - events:
    - introduced: 3.1.0
    - fixed: 3.1.8
    type: ECOSYSTEM
  versions:
  - 3.1.0
  - 3.1.1
  - 3.1.1rc1
  - 3.1.1rc2
  - 3.1.2
  - 3.1.2rc1
  - 3.1.2rc2
  - 3.1.3
  - 3.1.3rc1
  - 3.1.4
  - 3.1.4rc1
  - 3.1.4rc2
  - 3.1.5
  - 3.1.5rc1
  - 3.1.6
  - 3.1.6rc1
  - 3.1.7
  - 3.1.7rc1
  - 3.1.7rc2
  - 3.1.8rc1
  - 3.1.8rc2
aliases:
- CVE-2026-30911
- GHSA-8x34-9q3v-h7g8
details: |-
  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.
id: PYSEC-2026-17
modified: '2026-05-20T09:18:53.099745Z'
published: '2026-03-17T11:16:11.940Z'
references:
- type: ADVISORY
  url: http://www.openwall.com/lists/oss-security/2026/03/17/2
- type: ADVISORY
  url: https://lists.apache.org/thread/1rs2v7fcko2otl6n9ytthcj87cmsgx51
- type: FIX
  url: https://github.com/apache/airflow/pull/62886
- type: ADVISORY
  url: https://github.com/advisories/GHSA-8x34-9q3v-h7g8
severity:
- score: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
  type: CVSS_V3