EUVD-2026-49871

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...

CVE-2026-66748 Camaleon CMS 2.1.1 - 2.9.1 Authenticated RCE via select_eval Custom Field

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...

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...