AI agent vulnerability · OpenClaw

CVE-2026-41296: OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile

criticalCVSS 4.0 9.4 · 3.1 8.2GHSA-9p3r-hh9g-5cmg

Summary Sandbox escape via TOCTOU race in remote FS bridge readFile Current Maintainer Triage - Normalized severity: critical - Assessment: v2026.3.28 remote sandbox reads still do path-check then separate file read, so the TOCTOU sandbox escape remains present in the latest shipped tag.

Published Apr 3, 2026 · Updated Apr 24, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: <= 2026.3.28
Fixed in: 2026.3.31
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Summary

Sandbox escape via TOCTOU race in remote FS bridge readFile

Current Maintainer Triage

Normalized severity: critical
Assessment: v2026.3.28 remote sandbox reads still do path-check then separate file read, so the TOCTOU sandbox escape remains present in the latest shipped tag.

Affected Packages / Versions

Package: openclaw (npm)
Latest published npm version: 2026.3.31
Vulnerable version range: <=2026.3.28
Patched versions: >= 2026.3.31
First stable tag containing the fix: v2026.3.31

Fix Commit(s)

121870a08583033ed6a0ed73d9ffea32991252bb — 2026-03-31T09:55:51+09:00

OpenClaw thanks @AntAISecurityLab for reporting.

Credited to AntAISecurityLab.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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