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

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

https://cvefeed.io/rssfeed/latest.atom / Tue, 07/28/2026 - 19:08
CVE ID :CVE-2026-66748
Published : July 28, 2026, 4:20 p.m. | 32 minutes ago
Description :Camaleon CMS versions 2.1.1 through 2.9.1 contains an authenticated remote code execution vulnerability that allows users with custom_fields manage permission to execute arbitrary Ruby code by supplying a malicious expression through the select_eval custom field type. Attackers can store an attacker-controlled Ruby expression in the field options command parameter, which is evaluated via instance_eval within an ERB view whenever a post edit page is rendered, achieving server-side code execution with web server process privileges.
Severity: 8.8 | HIGH
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