GHSA-645J-CM4X-3XVW Concrete CMS Vulnerable to Relative Path Traversal

Concrete CMS 9.5.0 and below fails to sanitize path traversal sequences in the ptComposerFormLayoutSetControlCustomTemplate field when saving page type composer form layouts. An authenticated rogue administrator with composer form editing rights can exploit this to include arbitrary readable file...

CVE-2026-8134

Concrete CMS 9.5.0 and earlier fails to sanitize path traversal in the ptComposerFormLayoutSetControlCustomTemplate field when saving page-type composer form layouts. An authenticated rogue administrator with composer form editing rights can cause arbitrary readable files to be included on the se...