ruby-view-component: view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails
CVE-2026-44837 is fixed in ruby-view-component on 1 platform by DEBIAN-CVE-2026-44837 (version 4.12.0-1), released May 26, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ruby-view-component · Debian 14 | 4.12.0-1 | DEBIAN-CVE-2026-44837 | May 26, 2026 |
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