PYSEC-2026-2351
Apache Airflow's authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop (HITL) and TaskInstance record
At a glance
- Published
- Updated
- CVE
- CVE-2026-38743
- Aliases
- BIT-airflow-2026-38743, GHSA-p3v3-229h-mc63
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
The authenticated /ui/dags endpoint did not enforce per-DAG access control on embedded Human-in-the-Loop (HITL) and TaskInstance records: a logged-in Airflow user with read access to at least one DAG could retrieve HITL prompts (including their request parameters) and full TaskInstance details for DAGs outside their authorized scope. Because HITL prompts and TaskInstance fields routinely carry operator parameters and free-form context attached to a task, the leak widens visibility of DAG-run data beyond the intended per-DAG RBAC boundary for every authenticated user. Users are recommended to upgrade to version 3.2.1 , which fixes this issue.
Affected packages
| Package | Versions |
|---|---|
| PyPI · apache-airflow | introduced 0, fixed 3.2.1rc1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-38743 ADVISORY
- https://github.com/apache/airflow/pull/64822 WEB
- https://github.com/apache/airflow/commit/fed4921098d51fd3ec17b7f5cff80f6c36fd05e2 WEB
- https://github.com/apache/airflow PACKAGE
- https://lists.apache.org/thread/sk2wj0x48o8qb4p7c47gvnhjbm0mg396 WEB
- http://www.openwall.com/lists/oss-security/2026/04/24/3 WEB
- https://pypi.org/project/apache-airflow PACKAGE
- https://github.com/advisories/GHSA-p3v3-229h-mc63 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |