CVE-2026-41338

MEDIUM

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

Title source: cna
STIX 2.1

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)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-rm5c-4rmf-vvhw)
https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations
https://www.vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations

Scores

CVSS v3 5.0
EPSS 0.0009
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-367
Status published
Products (3)
OpenClaw/OpenClaw < 2026.3.31
openclaw/openclaw < 2026.3.31
OpenClaw/OpenClaw 2026.3.31
Published Apr 23, 2026
Tracked Since Apr 24, 2026