Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in goshs POST multipart upload

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Summary

CVECVE-2026-35393
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-06 21:16:21 UTC
Updated2026-04-09 21:20:27 UTC
Descriptiongoshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, the POST multipart upload directory not sanitized. This vulnerability is fixed in 2.0.0-beta.3.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001100000 probability, percentile 0.293520000 (date 2026-04-15)

Problem Types: CWE-22 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

VersionSourceTypeScoreSeverityVector
3.0[email protected]Secondary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.0CNADECLARED9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 Breakdown

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

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Goshs Goshs All All All All
Application Goshs Goshs 2.0.0 beta1 All All
Application Goshs Goshs 2.0.0 beta2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Patrickhener Goshs affected < 2.0.0-beta.3 Not specified

References

ReferenceSourceLinkTags
github.com/patrickhener/goshs/security/advisories/GHSA-jg56-wf8x-qrv5 [email protected] github.com Exploit, Mitigation, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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