CVE-2026-7147

HIGH

JoeCastrom mcp-chat-studio LLM Models API llm.js server-side request forgery

Title source: cna
STIX 2.1

Description

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.

Scores

CVSS v3 7.3
EPSS 0.0004
EPSS Percentile 12.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (6)
JoeCastrom/mcp-chat-studio 1.0
JoeCastrom/mcp-chat-studio 1.1
JoeCastrom/mcp-chat-studio 1.2
JoeCastrom/mcp-chat-studio 1.3
JoeCastrom/mcp-chat-studio 1.4
JoeCastrom/mcp-chat-studio 1.5.0
Published Apr 27, 2026
Tracked Since Apr 28, 2026