{"id":"BIT-seaweedfs-2026-58372","summary":"SeaweedFS \u003c 4.34 - Cross-Bucket Object Deletion via DeleteObjects Request-Body Keys","details":"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.","aliases":["BIT-seaweedfs-2026-54917","CVE-2026-54917","CVE-2026-58372","GHSA-w62w-66v9-vvgv","GO-2026-6221"],"modified":"2026-09-25T14:25:46.581091624Z","published":"2026-09-25T12:30:38.999Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:seaweedfs:seaweedfs:*:*:*:*:*:*:*:*","cpe:2.3:a:seaweedfs:seaweedfs:*:*:*:*:*:go:*:*"]},"references":[{"type":"WEB","url":"https://github.com/geo-chen/oss/blob/main/seaweedfs.md"},{"type":"WEB","url":"https://github.com/seaweedfs/seaweedfs/commit/0345658ea8e7c6a3948ad190634b00866ec244c9"},{"type":"WEB","url":"https://github.com/seaweedfs/seaweedfs/pull/9931"},{"type":"WEB","url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.34"},{"type":"WEB","url":"https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-w62w-66v9-vvgv"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58372"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/seaweedfs-cross-bucket-object-deletion-via-deleteobjects-request-body-keys"}],"affected":[{"package":{"name":"seaweedfs","ecosystem":"Bitnami","purl":"pkg:bitnami/seaweedfs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.34.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/seaweedfs/BIT-seaweedfs-2026-58372.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.9.0"}