Critical severity9.8NVD Advisory· Published Sep 2, 2026· Updated Sep 2, 2026

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.

Affected products

Craftcms/CMSllm-fuzzy
Range: <5.10.11

Patches

Vulnerability mechanics

References

github.com/craftcms/cms/security/advisories/GHSA-242m-9wq7-vhwqnvd
www.vulncheck.com/advisories/craft-cms-before-5.10.11-authentication-bypass-via-admin-flag-inheritancenvd

News mentions

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cvss	0.637
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000