SeaweedFS: Unauthenticated SSRF with response read-back via VolumeServer.FetchAndWriteNeedle

Impact VolumeServer.FetchAndWriteNeedle fetches a caller-supplied remote endpoint and writes the response into a needle. Before 4.24 this RPC performed no authentication and no validation of the target, so anyone able to reach a volume server's gRPC port could coerce the server into issuing...

EUVD-2026-56242

SeaweedFS is a distributed storage system. Prior to 4.24, VolumeServer.FetchAndWriteNeedle in weed/server/volumegrpcremote.go fetches a caller-supplied remote endpoint through weed/remotestorage/s3/s3storageclient.go and writes the response into a needle. The RPC performs no authentication and no...

CVE-2026-73080

SeaweedFS: Unauthenticated SSRF via VolumeServer.FetchAndWriteNeedle (weed/server/volume_grpc_remote.go) allows a caller to fetch a caller-supplied remote endpoint through s3_storage_client.go and read the response, without authentication or target validation on the gRPC port. This enables reachi...