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npm: mcp-sanitizer: URL sanitizer allows localhost/IPv6 loopback SSRF bypass via explicit port or bracketed IPv6

🗓️ 28 Oct 2026 19:51:39Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 1 Views

URL sanitizer in npm: mcp-sanitizer allows SSRF bypass via localhost loopback.

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28 Oct 2026 19:51Current
5.9Medium risk
Vulners AI Score5.9
1