6.9
Medium
CVE-2026-104120 A security vulnerability has been detected in modelcontextprotocol mcp-server-fetch and mcp-server-everything up to…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| mcp-server-fetch 2026.6 | 2026.6.0 → 2026.6.4 | No fix stated |
| mcp-server-everything 2026.6 | 2026.6.0 → 2026.6.4 | No fix stated |
References
- VDB-412764 | modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery vuldb.com
- VDB-412764 | CTI Indicators (IOB, IOC, IOA) vuldb.com
- CVE-2026-104120 | CVE Analysis and Report vuldb.com
- Submit #960099 | https://github.com/modelcontextprotocol/ servers 2026.6.4 Server-Side Request Forgery vuldb.com
- github.com github.com
- github.com github.com
Timeline
- Published
- Last modified