CVE-2026-84795 Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritance
Attackers can gain administrator privileges by registering with a deactivated admin's email if public registration and email verification are disabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84795?
CVE-2026-84795 is a critical vulnerability in craftcms cms, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2026-84795?
How do I fix CVE-2026-84795?
No fix has been published for CVE-2026-84795 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84795 being exploited?
There is no known exploitation of CVE-2026-84795 in the wild and no public exploit code.
Sources
Also known as GHSA-242m-9wq7-vhwq, GHSA-c8qg-58pw-vmfc.