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…
| 정보원 | GitHub Advisory Database |
|---|---|
| 수집 시각 | 2026. 10. 29. 오전 09:48 |
| 데이터 | Markdown JSON |
2026. 10. 29. 오전 04:51, GitHub Advisory Database에서 "mcp-sanitizer: URL sanitizer allows localhost/IPv6 loopback SSRF bypass via explicit port or bracketed IPv6"을(를) 게시했습니다 (유형: 취약점 권고). 심각도는 "높음"(high)입니다. 관련 기술: JavaScript / Node.js.