CVE-2026-66063

Published: Lug 29, 2026 Last Modified: Lug 29, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

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.

22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands Modify Files Or Directories Read Files Or Directories Dos: Crash, Exit, Or Restart
Applicable Platforms
Technologies: AI/ML
Likelihood of Exploit: High
View CWE Details
https://github.com/goshs-labs/goshs/commit/f3ef599e409151d1…
https://github.com/goshs-labs/goshs/commit/f3ef599e409151d1380866e47de8b1afb0bb…
https://github.com/goshs-labs/goshs/security/advisories/GHS…
https://github.com/goshs-labs/goshs/security/advisories/GHSA-wg2q-39h6-66x9