Server-Side Request Forgery Vulnerability in MCP-RDF-Explorer by Emekaokoye
CVE-2026-19753

6.9MEDIUM

Key Information:

Vendor

Model Context Protocol

Status
Mcp-rdf-explorer
Vendor
CVE Published:
13 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19753?

A server-side request forgery vulnerability has been identified in MCP-RDF-Explorer version 1.0.0. This issue arises in the explore_url function within the server.py file of the MCP Server component. By manipulating the url argument, an attacker can execute unauthorized requests from the server, potentially leading to sensitive data exposure or further exploitation of the server environment. The vulnerability can be triggered remotely, making it a critical risk if left unaddressed. Despite prior notification to the vendor regarding this vulnerability, no response has been received, leaving affected systems vulnerable to attacks.

Affected Version(s)

mcp-rdf-explorer 1.0.0

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-2026-19753 - Proof of Concept

References

https://vuldb.com/vuln/389554
vdb-entrytechnical-description
https://vuldb.com/vuln/389554/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19753
third-party-advisory

CVSS V4

Score:
6.9
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

skywings (VulDB User)
VulDB CNA Team
.