rootpwn

high · CVSS v3 7.3 · CVSS v4 6.9

CVE-2026-104120

A security vulnerability has been detected in modelcontextprotocol mcp-server-fetch and mcp-server-everything up to 2026…

Description

A security vulnerability has been detected in modelcontextprotocol mcp-server-fetch and mcp-server-everything up to 2026.6.4. Affected is the function fetch_url of the file mcp_server_fetch/server.py of the component Fetch Tool. The manipulation of the argument url/path leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.

Scores

Severity
high
CVSS v2
7.5
CVSS v3
7.3
CVSS v4
6.9
EPSS
—

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