CVE-2026-42205
High · 8.8CVSS
8.8
EPSS
0.5%
Published
May 8, 2026
CISA due date
—
The record
Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.31.2, a broken access control vulnerability was identified in the ActionsController of the Avo framework. Due to insecure action lookup logic, an authenticated user can execute any Action class (descendants of Avo::BaseAction) on any resource, even if the action is not registered for that specific resource. This leads to Privilege Escalation and unauthorized data manipulation across the entire application. This issue has been patched in version 3.31.2.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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