Server-Side Request Forgery in Nextlevelbuilder GoClaw by Nextlevelbuilder
CVE-2026-15624

5.3MEDIUM

Key Information:

Vendor

Nextlevelbuilder

Status
Goclaw
Vendor
CVE Published:
14 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15624?

A security flaw has been discovered in Nextlevelbuilder's GoClaw version 3.13.3-beta.3, specifically within the bytePlusDownloadVideo function found in the internal/tools/create_video_byteplus.go file. This vulnerability allows attackers to manipulate the output.video_url argument, leading to potential server-side request forgery (SSRF). If exploited, this flaw could enable remote attackers to conduct unauthorized requests on behalf of the vulnerable server, raising serious security concerns. The exploit has already been made public, increasing the urgency for affected users to apply necessary mitigations.

Affected Version(s)

GoClaw 3.13.3-beta.3

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-2026-15624 - Proof of Concept

References

https://vuldb.com/vuln/378126
vdb-entrytechnical-description
https://vuldb.com/vuln/378126/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15624
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-b (VulDB User)
.