CVE-2026-41296
OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile
Description
## 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.
How to fix CVE-2026-41296
To remediate CVE-2026-41296, upgrade the affected package to a fixed version below.
- —upgrade to 2026.3.31 or later
Is CVE-2026-41296 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.3.31
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H |
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N |