CVE-2026-38743
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
apache-airflowPyPI | < 3.2.1rc1 | 3.2.1rc1 |
Affected products
3- osv-coords2 versions
< 3.2.1+ 1 more
- (no CPE)range: < 3.2.1
- (no CPE)range: < 3.2.1rc1
Patches
Vulnerability mechanics
References
6- github.com/apache/airflow/pull/64822nvdIssue TrackingPatchWEB
- www.openwall.com/lists/oss-security/2026/04/24/3nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-p3v3-229h-mc63ghsaADVISORY
- lists.apache.org/thread/sk2wj0x48o8qb4p7c47gvnhjbm0mg396nvdMailing ListVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-38743ghsaADVISORY
- github.com/apache/airflow/commit/fed4921098d51fd3ec17b7f5cff80f6c36fd05e2ghsaWEB
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