CVE-2026-55874

A flaw was found in SeaweedFS, a distributed storage system. The S3 API gateway in SeaweedFS does not properly validate X-Amz-Copy-Source headers, specifically failing to reject "dot-dot" path segments. This allows an authenticated user, even if scoped to a single bucket, to read objects from oth...

CVE-2026-55874

SeaweedFS is a distributed storage system. Prior to 4.34, the S3 API gateway does not reject dot-dot path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy, allowing an authenticated identity scoped to one bucket to read objects from other buckets through server-side...

EUVD-2026-42285

SeaweedFS is a distributed storage system. Prior to 4.34, the S3 API gateway does not reject dot-dot path segments in the X-Amz-Copy-Source header used by CopyObject and UploadPartCopy, allowing an authenticated identity scoped to one bucket to read objects from other buckets through server-side...

PT-2026-56468

Name of the Vulnerable Software and Affected Versions SeaweedFS versions prior to 4.34 Description The S3 API gateway fails to properly validate input in the X-Amz-Copy-Source header used by the CopyObject and UploadPartCopy functions. This improper validation allows the use of dot-dot path...