CVE-2026-73290 RustFS: Anonymous ListObjectVersions bypasses RestrictPublicBuckets through the ListBucket fallback

RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-beta.12, an anonymous ListObjectVersions request in rustfs/src/storage/access.rs that lacks a direct bucket-policy grant falls back to an s3:ListBucket check and returns before the policyallowed path applies...