patrickhener goshs up to 2.0.0-beta.2 Multipart Upload path traversal

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k2.57

Summaryinfo

A vulnerability classified as critical has been found in patrickhener goshs up to 2.0.0-beta.2. Affected by this issue is some unknown functionality of the component Multipart Upload Handler. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2026-35393. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in patrickhener goshs up to 2.0.0-beta.2. It has been rated as critical. This issue affects some unknown processing of the component Multipart Upload Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

goshs 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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-35393 since 04/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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

AVACAuCIA
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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-jg56-wf8x-qrv5
Status: Confirmed

CVE: CVE-2026-35393 (🔒)
GCVE (CVE): GCVE-0-2026-35393
GCVE (VulDB): GCVE-100-355697

Entryinfo

Created: 04/06/2026 23:59
Changes: 04/06/2026 23:59 (65)
Complete: 🔍
Cache ID: 216:564:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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