CVE-2026-7147 Details
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.
A server-side request forgery (SSRF) vulnerability exists in JoeCastrom mcp-chat-studio versions through 1.5.0. The issue arises in the LLM Models API, specifically within the file server/routes/llm.js. The vulnerability allows attacker-controlled input to bypass destination validation, enabling arbitrary HTTP requests to internal resources or metadata services. This could expose sensitive information or facilitate further attacks.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 27, 2026CISA-ADP
Assessed Apr 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/JoeCastrom/mcp-chat-studio/ | [email protected] | ProductVendor |
| https://github.com/JoeCastrom/mcp-chat-studio/issues/4 | [email protected] | ExploitIssue TrackingTechnical AnalysisVendor |
| https://vuldb.com/submit/801896 | [email protected] | Technical Description |
| https://vuldb.com/vuln/359746 | [email protected] | AdvisoryExploitTechnical Description |
| https://vuldb.com/vuln/359746/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-918 | Server-Side Request Forgery (SSRF) | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| JoeCastrom mcp-chat-studio | All versions |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 29, 2026 | Data Remediation | [email protected] |
| Apr 27, 2026 | New CVE Received | [email protected] |