MFA Authentication Bypass Vulnerability in Joomla! Core
CVE-2026-92227

8.2HIGH

Key Information:

Vendor

Joomla
Status
Joomla! Cms
Vendor
CVE Published:
29 September 2026

What is CVE-2026-92227?

A vulnerability in the Joomla! Core allows an attacker to bypass Multi-Factor Authentication (MFA) due to improper handling of 'rememberme' cookies. This flaw affects multiple versions of Joomla from 4.0.0 to 6.1.3, potentially compromising user accounts by allowing unauthorized access without additional verification.

Affected Version(s)

Joomla! CMS 4.0.0-5.4.8

Joomla! CMS 6.0.0-6.1.3

References

https://www.joomla.org/
product
https://developer.joomla.org/security-centre/1094-2026091...
vendor-advisory

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Google and Ada Logics
Mukul Goyal
.