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TI-2026-08957 Aliases CVE-2026-10219GHSA-6jm8-4fhr-5w64

nextlevelbuilder GoClaw write_file Tool fsbridge.go FsBridge.WriteFile os command injection

Priority HIGH 70CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-77.

Summary

A vulnerability was found in nextlevelbuilder GoClaw up to 3.11.3. This impacts the function FsBridge.WriteFile of the file internal/sandbox/fsbridge.go of the component write_file Tool. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0147 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nextlevelbuilderGoClaw3.11.0; 3.11.1; 3.11.2; 3.11.3—No fix listedCNA
—github.com/nextlevelbuilder/goclaw (Go)up to 3.11.3—No fix listedGHSA-6jm8-4fhr-5w64
  • GoClaw Vendornextlevelbuilder Affected 3.11.0; 3.11.1; 3.11.2; 3.11.3 Fixed in — No fix listed CNA
  • github.com/nextlevelbuilder/goclaw (Go) Vendor— Affected up to 3.11.3 Fixed in — No fix listed GHSA-6jm8-4fhr-5w64

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:*——nextlevelbuilder
  • cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:* Versions — — ·nextlevelbuilder

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-10219
  2. 2026-10-03 Alias added: GHSA-6jm8-4fhr-5w64

References

Exploit 1

Patch 1

Advisory 1

Other 2

  • TI-2026-09124 nextlevelbuilder GoClaw Webhook Verification auth.go resolveAuth missing authentication CVSS 4.0MEDIUM 6.9
  • TI-2026-14855 nextlevelbuilder GoClaw jq Handler tools_invoke.go ExecTool.Execute information disclosure CVSS 4.0MEDIUM 5.3
  • TI-2026-13540 nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-13494 nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2026-13493 nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-13491 nextlevelbuilder GoClaw exec_approval.go isSafeBin improper authorization CVSS 4.0MEDIUM 5.3
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences