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.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-359746 | JoeCastrom mcp-chat-studio LLM Models API llm.js server-side request forgery
https://vuldb.com/vuln/359746
Signature, Permissions Required signature permissions-required
VDB-359746 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/359746/cti
Third Party Advisory third-party-advisory
Submit #801896 | JoeCastrom mcp-chat-studio 1.5.0 Server-Side Request Forgery
https://vuldb.com/submit/801896

Scores

CVSS v3 7.3
EPSS 0.0028
EPSS Percentile 19.3%
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