CVE-2026-84795
Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritance
- State
- Published
- Severity
- 9.2 Critical
- Published
- Sep 2, 2026
- Updated
- Sep 2, 2026
- Reserved
- Sep 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-269 Improper Privilege Management
Affected Products
| Product | Versions |
|---|---|
cmscraftcms |
|
References
- GitHub Security Advisory (GHSA-242m-9wq7-vhwq)vendor-advisory
- VulnCheck Advisory: Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritancethird-party-advisory
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