EUVD-2026-81291

Craft CMS 5.0.0 through 5.10.12 treats a database connection failure as meaning that Craft is not installed, which makes anonymous installer actions — including install/validate-site — reachable on an installed production site whenever PHP remains available but the configured MySQL endpoint does...

CVE-2026-92591 Craft CMS 5.0.0 before 5.10.13 Environment Secret Exposure via Installer

Craft CMS 5.0.0 through 5.10.12 treats a database connection failure as meaning that Craft is not installed, which makes anonymous installer actions — including install/validate-site — reachable on an installed production site whenever PHP remains available but the configured MySQL endpoint does...

CVE-2026-92591

Craft CMS versions 5.0.0 through 5.10.12 misinterpret a database connection failure as the application being uninstalled, exposing anonymous installer actions (e.g., install/validate-site) on a production site. The installer's site-name field is serialized through Site::getName(), which expands $...

CVE-2026-92591: Not Failing Securely

Craft CMS 5.0.0 through 5.10.12 treats a database connection failure as meaning that Craft is not installed, which makes anonymous installer actions — including install/validate-site — reachable on an installed production site whenever PHP remains available but the configured MySQL endpoint does...