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CVE-2026-35658

OpenClaw < 2026.3.2 - Filesystem Boundary Bypass in Image Tool

6.0 MediumFix available

OpenClaw before 2026.3.2 contains a filesystem boundary bypass vulnerability in the image tool that fails to honor tools.fs.workspaceOnly restrictions. Attackers can traverse sandbox bridge mounts outside the workspace to read files that other filesystem tools would reject.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.30%Up 0.3 points since Apr 11, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.0

OpenClaw < 2026.3.2 - Filesystem Boundary Bypass in Image Tool

OpenClaw before 2026.3.2 contains a filesystem boundary bypass vulnerability in the image tool that fails to honor tools.fs.workspaceOnly restrictions. Attackers can traverse sandbox bridge mounts outside the workspace to read files that other filesystem tools would reject.

Record
CVE-2026-35658
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-668
Updated
2026-11-02
EUVDEUVD-2026-21462 6.0

OpenClaw before 2026.3.2 contains a filesystem boundary bypass vulnerability in the image tool that fails to honor tools.fs.workspaceOnly restrictions. Attackers can traverse sandbox bridge mounts outside the workspace to read files that other filesystem tools would reject.

Record
EUVD-2026-21462
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-cfp9-w5v9-3q4h 6.0

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

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.
  • src/agents/tools/image-tool.ts, src/agents/tools/media-tool-shared.ts, and src/agents/sandbox-media-paths.ts now restrict local roots and sandbox-bridge resolution to the workspace when tools.fs.workspaceOnly is enabled.

OpenClaw thanks @YLChen-007 for reporting.

Record
GHSA-cfp9-w5v9-3q4h
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-668, CWE-863
Updated
2026-11-02
NVD 6.0

OpenClaw before 2026.3.2 contains a filesystem boundary bypass vulnerability in the image tool that fails to honor tools.fs.workspaceOnly restrictions. Attackers can traverse sandbox bridge mounts outside the workspace to read files that other filesystem tools would reject.

Record
CVE-2026-35658
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-668
Updated
2026-11-02
OSV 6.0

OpenClaw < 2026.3.2 - Filesystem Boundary Bypass in Image Tool

OpenClaw before 2026.3.2 contains a filesystem boundary bypass vulnerability in the image tool that fails to honor tools.fs.workspaceOnly restrictions. Attackers can traverse sandbox bridge mounts outside the workspace to read files that other filesystem tools would reject.

Record
CVE-2026-35658
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness
CWE-668
Updated
2026-11-02
OSVGHSA-cfp9-w5v9-3q4h 6.0

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

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.
  • src/agents/tools/image-tool.ts, src/agents/tools/media-tool-shared.ts, and src/agents/sandbox-media-paths.ts now restrict local roots and sandbox-bridge resolution to the workspace when tools.fs.workspaceOnly is enabled.

OpenClaw thanks @YLChen-007 for reporting.

Record
GHSA-cfp9-w5v9-3q4h
CVSS 4.0
6.0 MediumCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-668, CWE-863
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openclaw
npm
 before 2026.3.2
2026.3.2

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-35658 is a medium vulnerability (CVSS 6.0) in Openclaw, published March 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. Fixed in openclaw 2026.3.2.

References

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