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Advisory record · GHSA-56wq-x3wv-3ff4

SeaweedFS: Path traversal in the S3 gateway X-Amz-Copy-Source header allows cross-bucket object read

CVSS 7.7 HighEPSS 0.0061 · 49th percentile

Published by the GitHub Advisory Database at 28 Aug 2026, 22:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/seaweedfs/seaweedfsGo<0.0.0-20260612000715-b44cf51fe9310.0.0-20260612000715-b44cf51fe931
Identifiers
GHSA-56wq-x3wv-3ff4 · BIT-seaweedfs-2026-55874 · CVE-2026-55874 · GO-2026-6327
Weakness (CWE)
CWE-22
Tags
Published
28 Aug 2026
Updated
2 Sept 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.7 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0061, the 49th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:46 UTC First seen by agentprime
  2. 31 Oct 2026, 14:46 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.