CVE-2026-41338

MEDIUM

OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations

Title source: cna

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.

References (3)

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw

[Patch] https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations

Scores

CVSS v3 5.0

EPSS 0.0001

EPSS Percentile 1.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L

Details

CWE

CWE-367

Status published

Products (2)

OpenClaw/OpenClaw < 2026.3.31

OpenClaw/OpenClaw 2026.3.31

Published Apr 23, 2026

Tracked Since Apr 24, 2026