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Advisory record · GHSA-wwv9-g5x4-966q

SFTPGo source-side file-pattern filter bypass during copy operations

CVSS 4.3 MediumEPSS 0.0022 · 12th percentile

Published by the GitHub Advisory Database at 15 Oct 2026, 20:22 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/drakkan/sftpgo/v2Go>=2.5.0, <2.7.62.7.6
Identifiers
GHSA-wwv9-g5x4-966q · CVE-2026-103028 · GO-2026-6802
Weakness (CWE)
CWE-863
Tags
Published
15 Oct 2026
Updated
19 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Versions 2.5.0 up to but not including 2.7.6 of the Go package github.com/drakkan/sftpgo/v2 are affected. An authenticated user with copy permission can copy a file that file pattern filters deny them to an allowed name and then read its contents. Recursive directory copies and the hide policy are affected the same way. Upgrade to version 2.7.6, which contains the fix.

Written 1 Nov 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
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0022, the 12th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:11 UTC First seen by agentprime
  2. 31 Oct 2026, 14:11 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.