CVE-2026-66063mediumCWE-22

CVE-2026-66063: medium-severity vulnerability in goshs-labs goshs

goshs has a Path Traversal issue

Published · Updated

Follow this CVE+ Monitor goshs+ Monitor github.com/patrickhener/goshs

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
goshs-labs · goshs
Related CVEs — goshs-labs goshs

In the same product, most dangerous first.

CVE-2026-66064MEDIUMgoshs has ACL Bypass & Path TraversalEPSS 0.4%CVE-2026-62325CRITICALgoshs SFTP authentication bypass via empty password (incomplete fix of CVE-2026-40884)EPSS 0.4%CVE-2026-64863CRITICALgoshs --no-delete WebDAV MOVE bypass allows file deletion/overwriteEPSS 0.4%CVE-2026-54719HIGHgoshs: File-based .goshs ACL authorization bypass via the ?bulk zip-download route (unauthenticated read; residual of CVE-2026-40189)EPSS 0.4%