Privilege escalation in Craftcms Cms
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-242m-9wq7-vhwq (vendor-advisory)
- www.vulncheck.com/advisories/craft-cms-before-5.10.11-authentication-bypass-via… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-84795?
- CVE-2026-84795 is a critical-severity vulnerability in Craftcms Cms, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-09-02.
- How severe is CVE-2026-84795?
- Critical severity. CVSS v3 base score is 9.8 out of 10.