CVE Watch8 jul 2026

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

CVSS

7.7

Alto

EPSS

0.3%

p25

KEV

—

Exploit Today

0-100

Publicado: 8 jul 2026 · Última mod.: 8 jul 2026 · CWE-22

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-07-092026-07-21

Descripción técnica

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.

Referencias oficiales

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