CVE-2026-7147

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.

CVSS 4.0

5.5CVSS: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

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-26)

CWE

CWE-918

Published

2026-04-27

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• https://github.com/JoeCastrom/mcp-chat-studio/
• https://github.com/JoeCastrom/mcp-chat-studio/issues/4
• https://vuldb.com/submit/801896
• https://vuldb.com/vuln/359746
• https://vuldb.com/vuln/359746/cti

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