Authorization Flaw in GoClaw by Nextlevelbuilder
CVE-2026-16122

4.8MEDIUM

Key Information:

Vendor

Nextlevelbuilder

Status
Goclaw
Vendor
CVE Published:
18 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16122?

A security flaw in GoClaw up to version 3.13.2 allows for incorrect authorization via the extractBin/RequestApproval/matchesAllowlist function in internal/tools/exec_approval.go. This exploit, made public, poses a risk as it can be manipulated for unauthorized actions within the system, potentially leading to unauthorized access.

Affected Version(s)

GoClaw 3.13.0

GoClaw 3.13.1

GoClaw 3.13.2

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-2026-16122 - Proof of Concept

References

https://vuldb.com/vuln/379831
vdb-entrytechnical-description
https://vuldb.com/vuln/379831/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16122
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Adjacent 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-g (VulDB User)
.