CVE-2026-41338

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

State: Published
Severity: 4.3 Medium
Published: Apr 23, 2026
Updated: Apr 24, 2026
Reserved: Apr 20, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	4.3 Medium	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	VulnCheck
3.1	5.0 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L	VulnCheck

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.31Affected 2026.3.31Not affected

References

GitHub Security Advisory (GHSA-rm5c-4rmf-vvhw)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operationsthird-party-advisory

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