BIT-SEAWEEDFS-2026-77368 SeaweedFS: Authenticated Cross-Prefix IDOR in Filer TUS Handler Enables Arbitrary Write to Tenant-Forbidden Paths

SeaweedFS is a distributed storage system for files and blobs. In version 4.39, the filer's TUS resumable-upload handler checks JWT allowedprefixes scoping only when a session is created, letting a low-privilege tenant hijack another tenant's upload session to write content to filer paths their o...

The vulnerability of the TUS handler of the distributed file system SeaweedFS allows a hacker to bypass existing security mechanisms and gain access to write and delete arbitrary files.

The vulnerability of the TUS distributed file system SeaweedFS relates to the bypassing of authentication using a user-controlled key. Exploiting this vulnerability allows an attacker, operating remotely, to circumvent existing security mechanisms and gain access to write and delete arbitrary fil...

CVE-2026-77368 SeaweedFS: Authenticated Cross-Prefix IDOR in Filer TUS Handler Enables Arbitrary Write to Tenant-Forbidden Paths

SeaweedFS is a distributed storage system for files and blobs. In version 4.39, the filer's TUS resumable-upload handler checks JWT allowedprefixes scoping only when a session is created, letting a low-privilege tenant hijack another tenant's upload session to write content to filer paths their o...

CVE-2026-77368

SeaweedFS version 4.39 contains an authenticated cross-prefix IDOR in the filer's TUS resumable-upload handler . The JWT allowed_prefixes scoping is enforced only when an upload session is created; the HEAD , PATCH , and DELETE verbs that operate on an existing session by its identifier never re-...

CVE-2026-77368 SeaweedFS: Authenticated Cross-Prefix IDOR in Filer TUS Handler Enables Arbitrary Write to Tenant-Forbidden Paths

SeaweedFS is a distributed storage system for files and blobs. In version 4.39, the filer's TUS resumable-upload handler checks JWT allowedprefixes scoping only when a session is created, letting a low-privilege tenant hijack another tenant's upload session to write content to filer paths their o...

CVE-2026-77368 SeaweedFS: Authenticated Cross-Prefix IDOR in Filer TUS Handler Enables Arbitrary Write to Tenant-Forbidden Paths

SeaweedFS is a distributed storage system for files and blobs. In version 4.39, the filer's TUS resumable-upload handler checks JWT allowedprefixes scoping only when a session is created, letting a low-privilege tenant hijack another tenant's upload session to write content to filer paths their o...

CVE-2026-79778

rclone before v1.75.0 is affected by a denial of service vulnerability in the WebDAV TUS creation handler . The handler dereferences a nil response before checking for transport errors, meaning a malicious or compromised configured endpoint that resets connections during TUS uploads can trigger a...

EUVD-2026-65536

rclone before v1.75.0 contains a denial of service vulnerability in the WebDAV TUS creation handler that dereferences a nil response before checking for transport errors. A malicious or compromised configured endpoint can reset connections during TUS uploads to trigger a panic that terminates...

CVE-2026-79778 rclone before v1.75.0 Denial of Service via TUS nil-response panic

rclone before v1.75.0 contains a denial of service vulnerability in the WebDAV TUS creation handler that dereferences a nil response before checking for transport errors. A malicious or compromised configured endpoint can reset connections during TUS uploads to trigger a panic that terminates...