auth-fetch-mcp has SSRF Protection Bypass via IPv4-mapped IPv6 Loopback

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-49857 · Microsoft / collected KEV context

EUVD-2026-58054

GHSA-pvrj-8cg3-j5f8

cve-program · CVE-2026-49857

• https://github.com/ymw0407/auth-fetch-mcp/security/advisories/GHSA-pvrj-8cg3-j5f8
• https://github.com/ymw0407/auth-fetch-mcp/commit/c5c523cd55b24ae1680c5bacef95d59a81ae3450
• https://github.com/ymw0407/auth-fetch-mcp/releases/tag/v3.0.1

euvd · EUVD-2026-58054

• https://github.com/ymw0407/auth-fetch-mcp/security/advisories/GHSA-pvrj-8cg3-j5f8
• https://github.com/ymw0407/auth-fetch-mcp/commit/c5c523cd55b24ae1680c5bacef95d59a81ae3450
• https://github.com/ymw0407/auth-fetch-mcp/releases/tag/v3.0.1

nvd · CVE-2026-49857

• https://github.com/ymw0407/auth-fetch-mcp/commit/c5c523cd55b24ae1680c5bacef95d59a81ae3450
• https://github.com/ymw0407/auth-fetch-mcp/releases/tag/v3.0.1
• https://github.com/ymw0407/auth-fetch-mcp/security/advisories/GHSA-pvrj-8cg3-j5f8

osv · GHSA-pvrj-8cg3-j5f8

• https://github.com/ymw0407/auth-fetch-mcp/security/advisories/GHSA-pvrj-8cg3-j5f8
• https://github.com/ymw0407/auth-fetch-mcp

No related operational record is retained in the current change model.