SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-27366

Unauthenticated Broken Access Control in MainWP Child <= 6.1.1 versions.

HIGH 7.5EPSS 0.31%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Unauthenticated Broken Access Control in MainWP Child <= 6.1.1 versions.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.31% probability · 24th percentile
CISA KEV
Not listed
Weakness
CWE-862
Source
audit@patchstack.com

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