CVE-2026-52812 Gogs: LFS dedupe path leaks private repo content across tenants

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Git LFS storage is content-addressed by OID alone /// but per-repo authorization lives in the lfsobject table keyed repoid, oid. serveUpload skips re-uploading when the OID file already exists on disk and inserts a new repoid, oid r...