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CVE-2026-40188

7.7 high SSVC exploitation: poc Analyzed

goshs is a SimpleHTTPServer written in Go. From 1.0.7 to before 2.0.0-beta.4, the SFTP command rename sanitizes only the source path and not the destination, so it is possible to write outside of the root directory of the SFTP. This vulnerability is fixed in 2.0.0-beta.4.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.7 · goshsNVD modified 2026-10-26 21:10

Affected (CPE criteria) 4

  • cpe:2.3:a:goshs:goshs:*:*:*:*:*:go:*:*
  • cpe:2.3:a:goshs:goshs:2.0.0:beta1:*:*:*:go:*:*
  • cpe:2.3:a:goshs:goshs:2.0.0:beta2:*:*:*:go:*:*
  • cpe:2.3:a:goshs:goshs:2.0.0:beta3:*:*:*:go:*:*

References 4