CVE-2026-84795

CVSS 9.8 (critical) · published 2026-09-02

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.

Weakness: CWE-269

Source: NVD CVE-2026-84795

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

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