Is this vulnerability remotely exploitable?

Yes. As described, a remote attacker who can reach the LLM Models API endpoint and control the `base_url` query parameter can attempt to exploit the SSRF behavior without local access to the server.

Does an attacker need authentication or special privileges to exploit it?

That depends on how the affected route is exposed in a given deployment. If the LLM Models API is publicly accessible without authentication, then exploitation requires only network access. If it is behind authentication or an internal gateway, an attacker would need at least the level of access required to invoke that endpoint.

What is the safest general fix pattern?

The most robust fix is to remove or minimize user control over outbound destinations. Replace dynamic `base_url` usage with configuration-defined endpoints and, where dynamic behavior is unavoidable, enforce strict host allowlists and URL validation before any request is issued.

Severity:

HIGH RISK

(7.3)

Server-Side Request Forgery (CWE-918) in mcp-chat-studio LLM Models API

CVE-2026-7147

Published:

Apr 27, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-74;CWE-89

HIGH RISK

HIGH

(7.3)

SQL Injection via Unsanitized ID Parameter (CWE-89) in Pharmacy Sales and Inventory System /ajax.php

Database Compromise and Data Integrity Loss

April 27, 2026

CWE-863

HIGH RISK

HIGH

(8.5)

Incorrect Authorization (CWE-863) in OpenClaw chat.send Session Management

Privilege Escalation and Unauthorized Session Control

April 27, 2026

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Unauthorized network access via server-side requests, potentially leading to data exposure or pivoting into internal services.

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Unauthorized network access via server-side requests, potentially leading to data exposure or pivoting into internal services.

Severity:

HIGH RISK

(7.3)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Ask AI for summary of CodeAnt

Server-Side Request Forgery (CWE-918) in mcp-chat-studio LLM Models API

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

SQL Injection via Unsanitized ID Parameter (CWE-89) in Pharmacy Sales and Inventory System /ajax.php

HIGH RISK

HIGH

(8.5)

Incorrect Authorization (CWE-863) in OpenClaw chat.send Session Management

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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