Server-Side Request Forgery in Kira-Pgr PromptShopMCP Image Toolkit
CVE-2026-74842

5.3MEDIUM

Key Information:

Vendor

Kira-pgr

Status
Promptshopmcp
Vendor
CVE Published:
17 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-74842?

A vulnerability exists in Kira-Pgr's PromptShopMCP Image-Toolkit-MCP-Server related to the function download_image in server.py. By manipulating the image_url parameter, an attacker can perform a server-side request forgery, enabling remote exploitation. The vulnerability has been publicized, yet the project has not addressed it comprehensively, raising concerns over potential security risks. Users are advised to remain vigilant and monitor updates or patches from Kira-Pgr as this issue evolves.

Affected Version(s)

PromptShopMCP 5bc0cd17358e19a5415d11a531088170d7b81452

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-2026-74842 - Proof of Concept

References

https://vuldb.com/vuln/391204
vdb-entrytechnical-description
https://vuldb.com/vuln/391204/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-74842
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

TianyuLi (VulDB User)
VulDB CNA Team
.