CVE-2026-73337 PUBLISHED

Joomla! Core - [20260807] - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2

Assigner: Joomla
Reserved: 12.08.2026 Published: 18.08.2026 Updated: 19.08.2026

Joomla! Core - [20260807] - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2 - Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Joomla! Project
Product	Joomla! CMS
Versions	Default: unaffected Version 4.0.0-5.4.6 is affected Version 6.0.0-6.1.2 is affected

Credits

bloman finder

References

Problem Types

CWE-287 Improper Authentication CWE

Impacts

CAPEC-115: Authentication Bypass