CVE-2026-49991 RustFS Snowball Auto-Extract: Path Traversal allows cross-bucket object injection

RustFS is a distributed object storage system built in Rust. In 1.0.0-beta.4, authenticated users with only PutObject permission on their own bucket can exploit a path traversal vulnerability in the Snowball auto-extract feature to write arbitrary objects into other users' buckets, completely...

PT-2026-52909

Name of the Vulnerable Software and Affected Versions RustFS version 1.0.0-beta.4 Description Authenticated users with PutObject permission on their own bucket can exploit a path traversal issue in the Snowball auto-extract feature to write arbitrary objects into buckets belonging to other users,...