CVE-2026-49857Published

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

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-49857

Published

auth-fetch-mcp

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "ymw0407",
                    "product": "auth-fetch-mcp",
                    "versions": [
                        {
                            "version": "< 3.0.2",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON