OS Command Injection Vulnerability in Nextlevelbuilder GoClaw Tool
CVE-2026-10219

6.9MEDIUM

Key Information:

Vendor

Nextlevelbuilder

Status
Goclaw
Vendor
CVE Published:
1 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10219?

A vulnerability has been identified in Nextlevelbuilder's GoClaw tool, specifically in the FsBridge.WriteFile function located in internal/sandbox/fsbridge.go. This issue enables os command injection, potentially allowing attackers to execute arbitrary commands on the server remotely. The threat has been made public, heightening the risk for affected systems. A fix for this vulnerability is pending approval in an associated pull request.

Affected Version(s)

GoClaw 3.11.0

GoClaw 3.11.1

GoClaw 3.11.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-10219 - Proof of Concept

References

https://vuldb.com/vuln/367498
vdb-entrytechnical-description
https://vuldb.com/vuln/367498/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10219
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-b (VulDB User)
VulDB CNA Team
.