CVE-2026-40188

HIGH 7.7EPSS 0.3%

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.

CVSS v3.1: 7.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
CVSS v3.1: 7.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
EPSS: 0.32% chance of exploitation in the next 30 days, 24th percentile
Published: 2026-04-10
Updated: 2026-04-13

Proof-of-concept exploits (1)

advisories/GHSA-2943-crp8-38xx

References

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