


Perceptive Security
SOC/SIEM Consultancy

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. Atta…
Published:
20 april 2026 om 22:00:00
Alert date:
21 april 2026 om 07:08:02
Source:
nvd.nist.gov
Enterprise Applications
CVE-2026-41296 affects OpenClaw versions before 2026.3.31, containing a time-of-check-time-of-use (TOCTOU) race condition in the remote filesystem bridge readFile function. This vulnerability allows attackers to achieve sandbox escape by exploiting the timing gap between path validation and file read operations. The flaw enables bypassing sandbox restrictions to read arbitrary files on the system. The vulnerability has been addressed in OpenClaw version 2026.3.31 and later. Security advisories and patches are available through GitHub.
Technical details
Mitigation steps:
Affected products:
OpenClaw
Related links:
https://nvd.nist.gov/vuln/detail/CVE-2026-41296
https://github.com/openclaw/openclaw/commit/121870a08583033ed6a0ed73d9ffea32991252bb
https://github.com/openclaw/openclaw/security/advisories/GHSA-9p3r-hh9g-5cmg
https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-toctou-race-in-remote-fs-bridge-readfile
Related CVE's:
Related threat actors:
IOC's:
This article was created with the assistance of AI technology by Perceptive.
