CVE-2026-7147

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

HIGH
7.3
CVSS Score
Published: April 27, 2026 at 06:15 PM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorMcp Chat Studio

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Severity
HIGH7.3
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/359746
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/359746/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/801896
ExploitIssue Tracking
Source: cverecord
https://github.com/JoeCastrom/mcp-chat-studio/issues/4

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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