CVE-2026-42572: Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale

Q: How do I fix CVE-2026-42572?

hatchet: upgrade to 0.83.39. Exact commands for each OS are on this page.

Q: Is CVE-2026-42572 being exploited?

CVE-2026-42572 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-42572 affect?

CVE-2026-42572 affects hatchet. Severity is medium (CVSS 5.3). 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

Q: How urgent is CVE-2026-42572?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.3UPGRADE

CVE-2026-42572 is a medium-severity flaw (CVSS 5.3) affecting hatchet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 metada

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-639, CWE-863
Published	2026-05-14
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: hatchet

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-14 18:16 UTCPublished CVE record published
2026-06-17 10:48 UTCUpdated Record last modified

hatchet hatchet UPGRADE

Affected: < 0.83.39

Fixed in: 0.83.39

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hatchet || rpm -q hatchet || hatchet --version

2. UPGRADE to 0.83.39 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hatchet

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hatchet

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42572?

hatchet: upgrade to 0.83.39. Exact commands for each OS are on this page.

Is CVE-2026-42572 being exploited?

CVE-2026-42572 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42572 affect?

CVE-2026-42572 affects hatchet. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2026-42572?

Priority 20/100. No elevated risk signals yet.

References

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