CVE-2026-7147 MEDIUM

CVE-2026-7147: JoeCastrom mcp-chat-studio LLM Models API llm.js server-side request forgery

Vendor Joecastrom
Product mcp-chat-studio
Weakness CWE-918 · SSRF
Published April 27, 2026
Last update April 27, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in JoeCastrom mcp-chat-studio up to 1.5.0. Affected by this issue is some unknown functionality of the file server/routes/llm.js of the component LLM Models API. Performing a manipulation of the argument req.query.base_url results in server-side request forgery. Remote exploitation of the attack is possible. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Key dates

02Disclosure timeline

April 27, 2026 CVE published
April 27, 2026 Record updated