CVE-2026-84795

Description

Craft CMS before 5.10.11 fails to validate the admin flag during user registration, allowing it to persist from deactivated admin accounts. Attackers can register with a deactivated admin's email address to inherit administrator privileges when public registration and disabled email verification are configured.

CVSS Vector

References

• https://github.com/craftcms/cms/security/advisories/GHSA-242m-9wq7-vhwq
• https://www.vulncheck.com/advisories/craft-cms-before-5.10.11-authentication-bypass-via-admin-flag-inheritance