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CVE-2026-55874

HIGH
7.7
CVSS 3.1
Description
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.

Metadata

CVE ID
CVE-2026-55874
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-17 16:59 UTC
Published
2026-07-08 14:43 UTC
Last updated
2026-07-08 14:43 UTC
Primary CWE
CWE-22
CWE-22: Improper Limitation of a Pathname to a Restricted Di…
Vendor / Product
seaweedfs / seaweedfs
Sources
cve.org  ·  NVD

Severity & Metrics

7.7 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products (1)
VendorProductPlatformVersions
seaweedfs seaweedfs — < 4.34
Weakness (CWE)
CWESourceDescription
CWE-22 cna CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.7 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
References (4)
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