CVE-2026-84795

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-02 12:17

Updated : 2026-09-02 14:17

NVD link : CVE-2026-84795

Mitre link : CVE-2026-84795

CVE.ORG link : CVE-2026-84795

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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