What is GHSA-c8qg-58pw-vmfc?

GHSA-c8qg-58pw-vmfc is a security advisory published by GitHub Security Advisories with Critical severity. Craft CMS before 5.10.11 fails to validate the admin flag during user registration, allowing it...

Which CVE IDs does GHSA-c8qg-58pw-vmfc cover?

GHSA-c8qg-58pw-vmfc covers the following CVE IDs: CVE-2026-84795. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c8qg-58pw-vmfc?

GHSA-c8qg-58pw-vmfc has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-c8qg-58pw-vmfcCriticalCVSS 9.8

Craft CMS before 5.10.11 fails to validate the admin flag during user registration, allowing it...

Vendor

GitHub Security Advisories

Published

September 2, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-84795 →

📋 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.

🔗 References (4)

https://github.com/craftcms/cms/security/advisories/GHSA-242m-9wq7-vhwq
https://nvd.nist.gov/vuln/detail/CVE-2026-84795
https://www.vulncheck.com/advisories/craft-cms-before-5.10.11-authentication-bypass-via-admin-flag-inheritance
https://github.com/advisories/GHSA-c8qg-58pw-vmfc