CVE-2026-66748

Camaleon CMS versions 2.1.1–2.9.1 are affected by an authenticated RCE via the select_eval custom field. Users with custom_fields manage permission can supply a Ruby expression that is stored in the field options and evaluated via instance_eval in an ERB view when a post edit page is rendered, en...

CVE-2026-66748: Improper Control of Generation of Code

Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with customfields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the selecteval custom field type. Attackers can store an...