What is CVE-2026-42668?

CVE-2026-42668 is a high-severity vulnerability in Omnisend Email Marketing For Woocommerce By, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2026-06-15.

How severe is CVE-2026-42668?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Omnisend Email Marketing For Woocommerce By

CVE-2026-42668

Unauthenticated Broken Authentication in Email Marketing for WooCommerce by Omnisend <= 1.18.0 versions.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Omnisend Email Marketing For Woocommerce By — versions n/a

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-42668?: CVE-2026-42668 is a high-severity vulnerability in Omnisend Email Marketing For Woocommerce By, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 7.5/10. Published 2026-06-15.
How severe is CVE-2026-42668?: High severity. CVSS v3 base score is 7.5 out of 10.