Medium severity6.5NVD Advisory· Published Jul 28, 2026· Updated Jul 30, 2026
CVE-2026-66063
CVE-2026-66063
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
goshs.de/goshs/v2Go | < 2.1.5-0.20260727065949-f3ef599e4091 | 2.1.5-0.20260727065949-f3ef599e4091 |
github.com/patrickhener/goshs/v2Go | < 2.1.5-0.20260727065949-f3ef599e4091 | 2.1.5-0.20260727065949-f3ef599e4091 |
goshs.de/goshsGo | <= 1.1.4 | — |
github.com/patrickhener/goshsGo | <= 1.1.4 | — |
Affected products
2- osv-coordsRange: < 0.0.20260827T195228-160000.1.1
Patches
Vulnerability mechanics
References
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