OpenClaw: OpenShell Mirror Sync — Sandbox Escape via Unrestricted File Sync + Symlink Traversal

CVE-2026-41397 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

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.

Basic information

Type
reviewed
Severity
high
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2026-04-03 02:49:14 UTC
Updated
2026-05-06 21:22:38 UTC
GitHub reviewed
2026-04-03 02:49:14 UTC
NVD published
2026-04-28

EPSS Score

Score Percentile
0.07% 19.82%

CVSS Scores

Base score Version Severity Vector
9.6 3.1 —
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
8.7 4.0 —
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network.
Attack complexity (AC:L)
Exploitation conditions are straightforward and stable.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:L)
Low privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:H)
High confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:H)
High integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:H)
High availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:N)
No confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:N)
No integrity impact on subsequent systems.
Subsequent system availability impact (SA:N)
No availability impact on subsequent systems.

Identifiers

Type Value
GHSA GHSA-cwf8-44x6-32c2 ↗
CVE CVE-2026-41397 ↗

CWEs

CWE id Name
CWE-59 Improper Link Resolution Before File Access ('Link Following')
CWE-434 Unrestricted Upload of File with Dangerous Type

Credits

  • AntAISecurityLab (reporter)

Affected packages (1)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
npm openclaw <= 2026.3.28 2026.3.31 —

References

cvelogic Threat Intelligence