CVE-2026-41370 — ACP Dispatch That Path Traversal

CVE-2026-41370 — ACP Dispatch That Path Traversal

CVE-2026-41370 — OpenClaw before 2026.3.31 contains a path traversal vulnerability in ACP dispatch that allows attackers to read arbitrary files by manipulating inbound channel attachment paths. Remote attackers can bypass attachment-cache and root directory checks to access files outside intended d

What This Means For You

  • If your environment is affected by CWE-22, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41370 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 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-2026-41370 - OpenClaw ACP Dispatch Path Traversal

Sigma YAML — free preview
title: CVE-2026-41370 - OpenClaw ACP Dispatch Path Traversal
id: scw-2026-04-28-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-41370 by identifying requests to '/ACPDispatch.php' with an 'attachment_id' parameter containing directory traversal sequences ('../'). This indicates an attempt to bypass security controls and read arbitrary files.
author: SCW Feed Engine (AI-generated)
date: 2026-04-28
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-41370/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/ACPDispatch.php?attachment_id=' 
      cs-uri-query|contains:
          - '../'
      condition: cs-uri AND cs-uri-query
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-41370 vulnerability CVE-2026-41370
CWE-22 weakness CWE-22
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 28, 2026 at 03:16 UTC

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