CVE-2026-41296 HIGH

CVE-2026-41296: OpenClaw < 2026.3.31 - Sandbox Escape via TOCTOU Race in Remote FS Bridge readFile

Vendor Openclaw
Product OpenClaw
Weakness CWE-367
Published April 20, 2026
Last update April 21, 2026

CVSS base score

8.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.3.31 contains a time-of-check-time-of-use race condition in the remote filesystem bridge readFile function that allows sandbox escape. Attackers can exploit the separate path validation and file read operations to bypass sandbox restrictions and read arbitrary files.

Key dates

02Disclosure timeline

April 20, 2026 CVE published
April 21, 2026 Record updated