What’s Vulnerable › Vulnerabilities
CVE-2026-42572: Hatchet: Cross-tenant information disclosure in `listTasksByDAGIds`
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-14 · updated 2026-06-17
- Weakness: CWE-639
Description
Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.83.39, a missing authorization directive on the GET /api/v1/stable/dags/tasks endpoint caused Hatchet's tenant-membership check to be skipped for this route. A user authenticated to any tenant on the same Hatchet instance could query the endpoint with another tenant's UUID and a DAG UUID belonging to that tenant, and receive task metadata for that DAG. This vulnerability is fixed in 0.83.39.
Affected products
- hatchet-dev hatchet: before 0.83.39 — fixed in 0.83.39
How to fix
Upgrade to a fixed version: hatchet-dev hatchet 0.83.39. Check the vendor advisory for mitigations.
References
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