CVE-2026-41338CWE-367

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

Medium · published April 23, 2026

CVSS v4.0
4.3
EPSS
0%
Percentile
1.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.3 · MEDIUM
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
EPSS
0.00118 · 1.6th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2026-04-23T21:57Z
EPSS history
Timeline
  • 23 APR 21:57Z
    OpenClaw < 2026.3.31 - Time-of-Check-Time-of-Use (TOCTOU) Vulnerability in Sandbox File Operations
    cvelistv5