Server-Side Request Forgery in mosaxiv Clawlet Affects Multiple Versions
CVE-2026-15620

5.3MEDIUM

Key Information:

Vendor

Mosaxiv

Status
Clawlet
Vendor
CVE Published:
14 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15620?

A security vulnerability has been found in mosaxiv Clawlet versions up to 0.2.10, specifically within the tools.webFetch function located in the tools/tool_web_fetch.go file. This flaw allows attackers to execute server-side request forgery (SSRF) attacks, which can be initiated remotely. The exploit has been publicly disclosed, raising concerns over its potential misuse. The issue was previously tracked on GitHub, but has since been marked as 'not planned' for resolution.

Affected Version(s)

clawlet 0.2.0

clawlet 0.2.1

clawlet 0.2.2

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-2026-15620 - Proof of Concept

References

https://vuldb.com/vuln/378123
vdb-entrytechnical-description
https://vuldb.com/vuln/378123/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15620
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)
VulDB CNA Team
.