🛡️ CVE-2026-42205
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-284 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-284
Public Exploit ✅ No
Source NVD
Published 2026-04-24
Updated 2026-06-09
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
avo — 3.31.2
unknown — —

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