CVE-2026-42572 — Hatchet is a platform for orchestrating background tasks,

CVE-2026-42572 — Hatchet is a platform for orchestrating background tasks,

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 authen

What This Means For You

  • If your environment is affected by CWE-639, CWE-863, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-42572 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

CVE-2026-42572 - Hatchet API Unauthenticated DAG Task Metadata Access

Sigma YAML — free preview
title: CVE-2026-42572 - Hatchet API Unauthenticated DAG Task Metadata Access
id: scw-2026-05-14-ai-1
status: experimental
level: high
description: |
  Detects unauthenticated access to the /api/v1/stable/dags/tasks endpoint in Hatchet, which is vulnerable in versions prior to 0.83.39. This bypasses tenant-membership checks, allowing unauthorized retrieval of task metadata for DAGs belonging to other tenants.
author: SCW Feed Engine (AI-generated)
date: 2026-05-14
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-42572/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-method:
          - 'GET'
      cs-uri:
          - '/api/v1/stable/dags/tasks'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-42572 vulnerability CVE-2026-42572
CWE-639 weakness CWE-639
CWE-863 weakness CWE-863
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 14, 2026 at 21:16 UTC

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