Auth bypass in Wordpress Foundation
CVE-2026-3906
WordPress core is vulnerable to unauthorized access in versions 6.9 through 6.9.1. The Notes feature (block-level collaboration annotations) was introduced in WordPress 6.9 to allow editorial comments directly on posts in the block editor…
Vulnerability class: Broken Access Control
EPSS: 0.000 (9.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Wordpress Foundation — versions 6.9
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-3906?
- CVE-2026-3906 is a medium-severity vulnerability in Wordpress Foundation, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-03-11.
- How severe is CVE-2026-3906?
- Medium severity. CVSS v3 base score is 4.3 out of 10.