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VulnerabilityPublished Updated

CVE-2026-41397: OpenClaw · OpenShell Mirror Sync — Sandbox Escape via Unrestricted File Sync + Symlink Traversal

Affects openclawSource GCVE Database

0

Not known to be exploited · CVSS 9.6 Critical : upgrade to 2026.3.31 as a priority.

Data as of 27 Oct 2026, 00:07 UTC

CVSS 3.1 base score
9.6Critical
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 2026.3.31
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade openclaw to 2026.3.31.

Affected software

ProductAffectedFixed in
npmopenclawAffected
  • <2026.3.31
Fixed in
  • 2026.3.31

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

## Summary OpenShell Mirror Sync: Sandbox Escape via Unrestricted File Sync + Symlink Traversal ## Current Maintainer Triage - Status: narrow - Normalized severity: high - Assessment: v2026.3.28 still has the mirror-boundary bug because shipped c02ee8 only excluded hooks while unreleased 3b9dab is the first full symlink-free upload and download hardening. ## 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) - `c02ee8a3a4cb390b23afdf21317aa8b2096854d1` — 2026-03-25T19:59:07Z - `3b9dab0ece4643a9643e6a45459f5c709d3ce320` — 2026-03-30T14:51:44+01:00 OpenClaw thanks @AntAISecurityLab for reporting.

References

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