CVE-2026-40188 PUBLISHED

goshs is Missing Write Protection for Parametric Data Values

Assigner: GitHub_M
Reserved: 09.04.2026 Published: 10.04.2026 Updated: 10.04.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
CVSS Score: 7.7

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	patrickhener
Product	goshs
Versions	Version >= 1.0.7, < 2.0.0-beta.4 is affected

References

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

Problem Types

CWE-1314: Missing Write Protection for Parametric Data Values CWE