CVE-2026-54498
view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails.
Impact
view_component is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 4.0.0 until 4.12.0, ViewComponent::Base#around_render can return HTML-unsafe strings that bypass the escaping behavior applied to normal #call return values. This creates an XSS risk when downstream applications use around_render to wrap, replace, instrument, or conditionally return content that includes user-controlled data, and ViewComponent::Collection#render_in can amplify the issue by joining per-item results and marking the entire output html_safe, converting raw unsafe output into an ActiveSupport::SafeBuffer. This issue is fixed in version 4.12.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | view_component | >= 4.0.0, < 4.12.0 | 4.12.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Viewcomponent | View Component | from 4.0.0 before 4.12.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-97jw-64cj-jc58
- https://github.com/ViewComponent/view_component/security/advisories/GHSA-97jw-64cj-jc58
- https://github.com/ViewComponent/view_component/commit/48e5fd2d602344c7d33019fbc5c8b087e315bb78
- https://github.com/ViewComponent/view_component/releases/tag/v4.12.0
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/view_component/CVE-2026-54498.yml
- https://www.cve.org/CVERecord/SearchResults?query=CVE-2026-54498
- https://github.com/ViewComponent/view_component/commit/6796b2e89d0bd7b9d7d763a86275e5334731dd61