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Critical 9.8Published Sep 2, 2026

CVE-2026-84795Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritance

Updated under an hour ago ()

Does this affect you?

It affects craftcms cms. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-269
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Sep 2, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
craftcms cms
craftcms:cms (from the name)
from 5.0.0-RC1 before 5.10.11; 5.10.11 not affected
CNA record

References

  • vendor-advisory
  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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