Server-Side Request Forgery Vulnerability in Nextlevelbuilder GoClaw
CVE-2026-16124

5.3MEDIUM

Key Information:

Vendor

Nextlevelbuilder

Status
Goclaw
Vendor
CVE Published:
18 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16124?

A security vulnerability found in Nextlevelbuilder's GoClaw, specifically in the web_fetch component, could allow an attacker to leverage server-side request forgery. This occurs when the CheckSSRF/isPrivateIP function located in the file internal/tools/web_shared.go is manipulated. Attackers can exploit this vulnerability remotely, potentially leading to unauthorized access to internal resources. It is strongly recommended to upgrade to the patched version 3.15.0-beta.33 to mitigate this risk.

Affected Version(s)

GoClaw 3.15.0-beta.0

GoClaw 3.15.0-beta.1

GoClaw 3.15.0-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-2026-16124 - Proof of Concept

References

https://vuldb.com/vuln/379833
vdb-entrytechnical-description
https://vuldb.com/vuln/379833/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16124
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-g (VulDB User)
.