Is CVE-2026-66064 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66064?

CVE-2026-66064 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-66064

Description

goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/handler.go sendFile handler opened files using a cleaned path but derived the authorization filename from raw req.URL.Path, so a trailing slash could bypass .goshs ACL-file protection and block-list checks. This issue is fixed in version 2.1.5.