Auth bypass in Wpengine Advanced Custom Fields (Acf®)

CVE-2026-8382

The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This…

Vulnerability class: Broken Access Control

EPSS: 0.001 (18.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-8382?
CVE-2026-8382 is a medium-severity vulnerability in Wpengine Advanced Custom Fields (Acf®), classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-05-31.
How severe is CVE-2026-8382?
Medium severity. CVSS v3 base score is 5.3 out of 10.