SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-73337

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.

HIGH 8.2EPSS 0.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 4.0
8.2 HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.27% probability · 19th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
joomla/joomla\!
Source
security@joomla.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.