Description
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
Published: 2026-04-23
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized File Manipulation
Action: Apply Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 24 Apr 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 23 Apr 2026 22:15:00 +0000

Type Values Removed Values Added
Description OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
Title OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-367
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L'}

cvssV4_0

{'score': 4.3, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-24T18:19:24.482Z

Reserved: 2026-04-20T14:03:06.200Z

Link: CVE-2026-41338

cve-icon Vulnrichment

Updated: 2026-04-24T16:50:01.754Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-23T22:16:39.957

Modified: 2026-04-28T18:56:08.813

Link: CVE-2026-41338

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-28T07:30:26Z

Weaknesses