patrickhener goshs up to 2.0.0-beta.2 httpserver/updown.go path traversal

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k2.90-

Summaryinfo

A vulnerability described as critical has been identified in patrickhener goshs up to 2.0.0-beta.2. Affected by this vulnerability is an unknown functionality of the file httpserver/updown.go. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2026-35392. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in patrickhener goshs up to 2.0.0-beta.2. It has been declared as critical. This vulnerability affects an unknown code block of the file httpserver/updown.go. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

goshs is a SimpleHTTPServer written in Go. Prior to 2.0.0-beta.3, PUT upload in httpserver/updown.go has no path sanitization. This vulnerability is fixed in 2.0.0-beta.3.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-35392 since 04/02/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 2.0.0-beta.3 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: goshs 2.0.0-beta.3

Timelineinfo

04/02/2026 CVE reserved
04/06/2026 +4 days Advisory disclosed
04/06/2026 +0 days VulDB entry created
04/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-g8mv-vp7j-qp64
Status: Confirmed

CVE: CVE-2026-35392 (🔒)
GCVE (CVE): GCVE-0-2026-35392
GCVE (VulDB): GCVE-100-355696

Entryinfo

Created: 04/06/2026 23:59
Changes: 04/06/2026 23:59 (65)
Complete: 🔍
Cache ID: 216:0D4:103

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