CVE-2026-50141: Grpc Metadata Auth Spoofingcve-2026-50141-grpc-metadata-auth-spoofing
Reading authenticated identifiers (like user or agent IDs) directly from gRPC incoming metadata can lead to authentication bypass or spoofing. When an upstream interceptor appends a verified identity to the metadata, client-supplied values can precede the server-appended values in the metadata slice. Handlers extracting the first value (`values[0]`) will pro