CVE-2026-44837

view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the system test entrypoint canonicalizes a user-controlled file path with File.realpath, then checks whether the resolved path starts with the temp directory path. This is not a safe containment check because sibling directories can share the same string prefix. This vulnerability is fixed in 4.9.0.
Configurations

Configuration 1 (hide)

cpe:2.3:a:viewcomponent:view_component:*:*:*:*:*:ruby:*:*

History

23 Jul 2026, 11:10

Type Values Removed Values Added
Summary
  • (es) view_component es un framework para construir componentes de vista reutilizables, testeables y encapsulados en Ruby on Rails. Desde 3.0.0 hasta 4.9.0, el punto de entrada de la prueba del sistema canoniza una ruta de archivo controlada por el usuario con File.realpath, luego verifica si la ruta resuelta comienza con la ruta del directorio temporal. Esta no es una verificación de contención segura porque los directorios hermanos pueden compartir el mismo prefijo de cadena. Esta vulnerabilidad está corregida en 4.9.0.

02 Jun 2026, 18:43

Type Values Removed Values Added
References () https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp - () https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp - Exploit, Mitigation, Vendor Advisory
CPE cpe:2.3:a:viewcomponent:view_component:*:*:*:*:*:ruby:*:*
First Time Viewcomponent view Component
Viewcomponent

28 May 2026, 16:16

Type Values Removed Values Added
References () https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp - () https://github.com/ViewComponent/view_component/security/advisories/GHSA-hg3h-g7xc-f7vp -

26 May 2026, 21:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-26 21:16

Updated : 2026-07-24 11:10


NVD link : CVE-2026-44837

Mitre link : CVE-2026-44837

CVE.ORG link : CVE-2026-44837


JSON object : View

Products Affected

viewcomponent

  • view_component
CWE
CWE-187

Partial String Comparison