JoeCastrom mcp-chat-studio — Ssrf (CVE-2026-7147)
Date: 2026-04
Attack vector: ssrf
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2026-7147
CWE: CWE-918
CVSS: 7.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

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.


Mitigations:

Architectural layers (MAESTRO):