CVE-2026-55874
7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
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 copy. This issue is fixed in version 4.34.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| seaweedfs | seaweedfs | < 4.34 | affected |
Weaknesses
- CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/seaweedfs/seaweedfs/security/advisories/GHSA-56wq-x3wv-3ff4
- https://github.com/seaweedfs/seaweedfs/pull/9929
- https://github.com/seaweedfs/seaweedfs/commit/b44cf51fe931bd75aa4d37ae766bea90d7f85ccd
- https://github.com/seaweedfs/seaweedfs/releases/tag/4.34
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