Authorization Flaw in nextlevelbuilder GoClaw WebSocket RPC
CVE-2026-14716

5.3MEDIUM

Key Information:

Vendor

Nextlevelbuilder

Status
Goclaw
Vendor
CVE Published:
5 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-14716?

A significant security flaw has been identified in the WebSocket RPC Handler of nextlevelbuilder's GoClaw, specifically in the MethodRouter.Handle function of router.go. This vulnerability allows for incorrect authorization, potentially enabling an attacker to manipulate access controls remotely. As the issue has been publicly disclosed and was reported to the project team ahead of time, it is imperative that users of affected versions take immediate steps to address this exploit to safeguard their systems.

Affected Version(s)

GoClaw 3.13.0-beta.0

GoClaw 3.13.0-beta.1

GoClaw 3.13.0-beta.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-2026-14716 - Proof of Concept

References

https://vuldb.com/vuln/376305
vdb-entrytechnical-description
https://vuldb.com/vuln/376305/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-14716
third-party-advisory

CVSS V4

Score:
5.3
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-y (VulDB User)
VulDB CNA Team
.