CVE-2026-58372: Seaweedfs

High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days.

SeaweedFS before 4.34 contains a path traversal vulnerability in the S3 gateway DeleteMultipleObjectsHandler that allows authenticated S3 principals with write access to a single bucket to delete arbitrary objects in other tenants' buckets by supplying object keys containing ../ sequences in the DeleteObjects XML request body. Attackers can bypass authorization controls through a confused deputy condition, as the validateRequestPath middleware only inspects URL-captured path variables and never examines request-body keys, allowing the filer path to collapse directory traversal sequences and resolve deletions outside the authorized bucket.

Affected products

• Seaweedfs Seaweedfs: before 4.34 (fixed in 4.34)

Published 2026-06-30. Last modified 2026-10-08.