TI-2026-55485 CVE-2026-80347 · GHSA-mqq2-4r9w-4h99
mcp-fetch through 1.6.3 Server-Side Request Forgery via Unstripped IPv6 Literal Brackets
Priority HIGH 77
mcp-fetch checks a fetch target against its SSRF guard without removing the brackets that surround an IPv6 literal.