What is CVE-2026-40188?

CVE-2026-40188 is a high-severity vulnerability in Patrickhener Goshs, classified under CWE-1314. CVSS score: 7.7/10. Published 2026-04-10.

How severe is CVE-2026-40188?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Patrickhener Goshs

CVE-2026-40188

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 vulner…

EPSS: 0.000 (1.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Patrickhener Goshs — versions >= 1.0.7, < 2.0.0-beta.4

Weakness classification (CWE)

CWE-1314

References

https://github.com/patrickhener/goshs/security/advisories/GHSA-2943-crp8-38xx (x_refsource_CONFIRM)
https://github.com/patrickhener/goshs/commit/141c188ce270ffbec087844a50e5e695b7da7744 (x_refsource_MISC)
https://github.com/patrickhener/goshs/releases/tag/v2.0.0-beta.4 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-40188?: CVE-2026-40188 is a high-severity vulnerability in Patrickhener Goshs, classified under CWE-1314. CVSS score: 7.7/10. Published 2026-04-10.
How severe is CVE-2026-40188?: High severity. CVSS v3 base score is 7.7 out of 10.