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.
Published: 2026-09-02
Score: 9.2 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 02 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritance
First Time appeared Craftcms
Craftcms craft Cms
Weaknesses CWE-269
CPEs cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*
Vendors & Products Craftcms
Craftcms craft Cms
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Craftcms Craft Cms
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-02T11:11:11.270Z

Reserved: 2026-09-02T10:19:06.330Z

Link: CVE-2026-84795

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-02T12:17:16.093

Modified: 2026-09-02T12:17:16.093

Link: CVE-2026-84795

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses