What is CVE-2026-27327?

CVE-2026-27327 is a medium-severity vulnerability in Yaycommerce Yaymail, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.

How severe is CVE-2026-27327?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Yaycommerce Yaymail

CVE-2026-27327

Missing Authorization vulnerability in YayCommerce YayMail yaymail allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YayMail: from n/a through <= 4.3.2.

Vulnerability class: Broken Access Control

EPSS: 0.000 (12.1th 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

Yaycommerce Yaymail — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/Wordpress/Plugin/yaymail/vulnerability/wordpress-yaymai… (vdb-entry)

Frequently asked questions

What is CVE-2026-27327?: CVE-2026-27327 is a medium-severity vulnerability in Yaycommerce Yaymail, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-02-19.
How severe is CVE-2026-27327?: Medium severity. CVSS v3 base score is 4.3 out of 10.