CVE-2026-80347

mcp-fetch (npm package @kazuph/mcp-fetch ) through version 1.6.3 contains a Server-Side Request Forgery (SSRF) flaw in its isSafeUrl guard. When a target URL uses an IPv6 literal such as http://[::1]/, the parsed hostname retains the surrounding brackets. The net.isIP check returns zero for the b...

CVE-2026-80347 mcp-fetch through 1.6.3 Server-Side Request Forgery via Unstripped IPv6 Literal Brackets

mcp-fetch checks a fetch target against its SSRF guard without removing the brackets that surround an IPv6 literal. isSafeUrl reads the hostname from the parsed URL, which for a literal such as http://::1/ yields the bracketed string, and then tests it with net.isIP. That call returns zero for a...

EUVD-2026-66386

mcp-fetch checks a fetch target against its SSRF guard without removing the brackets that surround an IPv6 literal. isSafeUrl reads the hostname from the parsed URL, which for a literal such as http://::1/ yields the bracketed string, and then tests it with net.isIP. That call returns zero for a...

MAL-2026-5476 Malicious code in mcp-server-fetch (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 34dfb6dc382073bace8a4d413b28000ff42770d04b9f69a88906230e2d83260a Package squats the unscoped name mcp-server-fetch an MCP server name commonly invoked via npx mcp-server-fetch by AI coding agents and developer...

@atonis/cli (3.0.15) potentially affected by CVE-2025-65513 via mcp-fetch-server (1.1.2)

mcp-fetch-server NPM version 1.1.2 is affected by a known vulnerability. The following packages have a transitive dependency on mcp-fetch-server and may be impacted: - @atonis/cli 3.0.15 Source cves: CVE-2025-65513 Source advisory: SNYK:JS-MCPFETCHSERVER-14287685...