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OpenClaw: stageSandboxMedia destination symlink traversal can overwrite files outside sandbox workspaceGHSA-cfvj-7rx7-fc7c

Fix: openclaw/openclaw@17ede52

GHSA-cfvj-7rx7-fc7c is a CWE-59 vulnerability in openclaw. A fix is available for openclaw — see the affected versions and patch details below.

Also known asCVE-2026-31990
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-cfvj-7rx7-fc7c.

EPSS Exploitation Probability

via FIRST.org ↗
0.1%probability of exploitation in next 30 days
Lower Risk+0.00%
Lower risk than most CVEs4th percentile — riskier than 4% of all scored CVEsHighest risk
0.00%0.22%0.45%0.68%0.0%0.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

133other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
openclawnpm
2.5Mdownloads / week

Description

Summary

stageSandboxMedia allowed destination symlink traversal during media staging, which could overwrite files outside the sandbox workspace root.

Impact

When sandbox media staging handled inbound files, destination writes under media/inbound were not destination-alias-safe. If a symlink existed in that destination path, the write could follow it and overwrite host files outside the intended sandbox workspace boundary.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published version checked: 2026.3.1
  • Affected: <= 2026.3.1
  • Patched versions: >= 2026.3.2 (released)

Root Cause

stageSandboxMedia validated source paths but wrote destination files with a direct copy path that did not enforce destination boundary/alias checks.

Remediation

The fix routes staging writes through root-scoped safe write primitives for both local and SCP-staged attachments, preventing destination symlink traversal escapes.

Fix Commit(s)

  • 17ede52a4be3034f6ec4b883ac6b81ad0101558a

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
📦npmopenclawall versions2026.3.2npm install openclaw@2026.3.2

Affected Products

1 product · 1 configurations
Application
openclawopenclaw
< 2026.3.2
range

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for openclaw, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update openclaw to 2026.3.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-cfvj-7rx7-fc7c is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

### Summary `stageSandboxMedia` allowed destination symlink traversal during media staging, which could overwrite files outside the sandbox workspace root. ### Impact When sandbox media staging handled inbound files, destination writes under `media/inbound` were not destination-alias-safe. If a symlink existed in that destination path, the write could follow it and overwrite host files outside the intended sandbox workspace boundary. ### Affected Packages / Versions - Package: `openclaw` (npm) - Latest published version checked: `2026.3.1` - Affected: `<= 2026.3.1` - Patched versions: `>= 20
O3 Security · Impact-Aware SCA

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OpenClaw: stageSandboxMedia destination symlink…