CVE-2026-42572

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-55gc-6fmc-fpx9	Vendor Advisory Mitigation

Configurations

Configuration 1 (hide)

cpe:2.3:a:hatchet:hatchet:*:*:*:*:*:*:*:*

History

27 May 2026, 20:14

Type	Values Removed	Values Added
CPE		cpe:2.3:a:hatchet:hatchet::::::::
First Time		Hatchet Hatchet hatchet
References	~~() https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-55gc-6fmc-fpx9 -~~	() https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-55gc-6fmc-fpx9 - Vendor Advisory, Mitigation

14 May 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-14 18:16

Updated : 2026-05-27 20:14

NVD link : CVE-2026-42572

Mitre link : CVE-2026-42572

CVE.ORG link : CVE-2026-42572

JSON object : View

Products Affected

hatchet

hatchet

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

CWE-863

Incorrect Authorization

{"id": "CVE-2026-42572", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2026-05-14T18:16:47.943", "references": [{"url": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-55gc-6fmc-fpx9", "tags": ["Vendor Advisory", "Mitigation"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-05-27T20:14:35.000", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hatchet:hatchet:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4131A75-814A-42B7-85E5-E4343CE8DAFC", "versionEndExcluding": "0.83.39"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}