mcp-sanitizer: URL sanitizer allows localhost/IPv6 loopback SSRF bypass via explicit port or bracketed IPv6
影響: npm:mcp-sanitizer < 1.4.0 → 1.4.0
URL sanitizer allows localhost/IPv6 loopback SSRF bypass via explicit port or bracketed IPv6 Summary mcp-sanitizer v1.3.3 fails to block Server-Side Request Forgery (SSRF) targets when a localhost URL includes an explicit port (e.g., http://localhost:8080/) or when an IPv6 loopback/link-local address is expressed in bracketed notation (e.g., http://[::1]:8080/, http://[fe80::1]:8080/). Because the library is explicitly designed to gate MCP tool parameters such as web_fetch and web_scraper befor…
| 情報源 | GitHub Advisory Database |
|---|---|
| 取得日時 | 2026/10/29 09:48 |
| データ | Markdown JSON |
2026/10/29 04:51、GitHub Advisory Databaseが「mcp-sanitizer: URL sanitizer allows localhost/IPv6 loopback SSRF bypass via explicit port or bracketed IPv6」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「重要」(high) です。関連する技術: JavaScript / Node.js。