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Medium, CVSS 6.0amended

OpenClaw: Image Tool tools.fs.workspaceOnly Bypass via Sandbox Bridge Mounts

CVE-2026-35658GHSA-cfp9-w5v9-3q4h

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (openclaw 2026.3.2), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm openclaw

    Affected
    < 2026.3.2
    Fixed in
    2026.3.2

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
6.0 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N · score source
EPSS
  • CVE-2026-35658: 0.29% estimated exploitation activity in the next 30 days; percentile 21.24 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Summary The image tool did not fully honor the tools.fs.workspaceOnly filesystem boundary. In affected releases, image-path resolution could still traverse sandbox bridge mounts outside the workspace and read files from mounted directories that the other file tools would reject. Affected Packages / Versions - Package: openclaw (npm) - Affected: < 2026.3.2 - Fixed: = 2026.3.2 - Latest released tags checked: v2026.3.23 (ccfeecb6887cd97937e33a71877ad512741e82b2) and v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87) - Latest published npm version checked: 2026.3.23-2 Fix Commit(s) - dd9d9c1c609dcb4579f9e57bd7b5c879d0146b53 - 14baadda2c456f3cf749f1f97e8678746a34a7f4 Release Status The complete fix shipped in v2026.3.2 and remains present in v2026.3.23 and v2026.3.23-2. Code-Level Confirmation - src/agents/openclaw-tools.ts now passes fsPolicy into createImageTool, so the image tool receives the same workspace-only policy input as the other filesystem tools. -…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-cfp9-w5v9-3q4h

  2. Revision 2 · amended ·

    Reviewed OSV alias/range/CVSS4 correction; package source scopes and original publication preserved. No customer finding resolved.

  3. Revision 1 · created ·

    Published from osv record GHSA-cfp9-w5v9-3q4h

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-35658

Advisory: OpenClaw: Image Tool `tools.fs.workspaceOnly` Bypass via Sandbox Bridge Mounts
IDs: CVE-2026-35658, GHSA-cfp9-w5v9-3q4h
Record: https://patchnext.com/advisories/cve-2026-35658 (revision 3, source checked 26 Oct 2026, 12:48 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.0)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: openclaw 2026.3.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm openclaw: affected < 2026.3.2; fixed in 2026.3.2

## Suggested inspection (read-only)
- `npm ls openclaw --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on openclaw.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-cfp9-w5v9-3q4h (OSV record GHSA-cfp9-w5v9-3q4h lists affected ranges: npm openclaw >=0 <2026.3.2 (fixed))
- Verified: https://github.com/advisories/GHSA-cfp9-w5v9-3q4h (GitHub-reviewed advisory GHSA-cfp9-w5v9-3q4h lists affected ranges: npm openclaw >=0 <2026.3.2)

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