CVE-2026-66063
Medium · 6.5CVSS
6.5
EPSS
0.3%
Published
Jul 28, 2026
CISA due date
—
The record
goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/updown.go multipart upload handler split part.FileName() on / but did not reject .., allowing an unauthenticated upload with filename .. to create a file outside the served tree. This issue is fixed in version 2.1.5.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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