gRPC Erlang package's path bindings are overridable by query string and request body

Summary In the HTTP-to-gRPC transcoding layer of the grpc Hex package, query-string and request-body parameters can silently overwrite path-bound fields when building the decoded protobuf request struct. An authenticated attacker who can reach a transcoded endpoint can substitute any path-bound...

GHSA-MWR4-5G34-J5CQ gRPC Erlang package's path bindings are overridable by query string and request body

Summary In the HTTP-to-gRPC transcoding layer of the grpc Hex package, query-string and request-body parameters can silently overwrite path-bound fields when building the decoded protobuf request struct. An authenticated attacker who can reach a transcoded endpoint can substitute any path-bound...

CVE-2026-48599 Authorization bypass via path binding override in elixir-grpc/grpc HTTP transcoding

Authorization Bypass Through User-Controlled Key vulnerability in elixir-grpc grpc allows authenticated attackers to access or modify resources belonging to other users by smuggling a conflicting value for any path-bound field via the query string or request body. In...

CVE-2026-48599 Authorization bypass via path binding override in elixir-grpc/grpc HTTP transcoding

Authorization Bypass Through User-Controlled Key vulnerability in elixir-grpc grpc allows authenticated attackers to access or modify resources belonging to other users by smuggling a conflicting value for any path-bound field via the query string or request body. In...