CVE-2026-41366 — AppendLocalMediaParentRoots That Vulnerability
CVE-2026-41366 — OpenClaw before 2026.3.31 contains a local roots self-whitelisting vulnerability in appendLocalMediaParentRoots that allows model-initiated arbitrary host file read. Attackers can exploit improper media parent directory validation to exfiltrate credentials and access sensitive files
What This Means For You
- If your environment is affected by CWE-732, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41366 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 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.
CVE-2026-41366 - OpenClaw appendLocalMediaParentRoots Arbitrary File Read
title: CVE-2026-41366 - OpenClaw appendLocalMediaParentRoots Arbitrary File Read
id: scw-2026-04-28-ai-1
status: experimental
level: high
description: |
Detects the specific function call 'appendLocalMediaParentRoots' within OpenClaw.exe when combined with path traversal characters ('../') in the command line, indicating an attempt to exploit CVE-2026-41366 for arbitrary host file reads.
author: SCW Feed Engine (AI-generated)
date: 2026-04-28
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-41366/
tags:
- attack.collection
- attack.t1005
logsource:
category: process_creation
detection:
selection:
Image|endswith:
- 'OpenClaw.exe'
CommandLine|contains:
- 'appendLocalMediaParentRoots'
CommandLine|contains:
- '../'
condition: Image AND CommandLine
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-41366 | vulnerability | CVE-2026-41366 |
| CWE-732 | weakness | CWE-732 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 28, 2026 at 03:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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