What is CVE-2026-97074?

CVE-2026-97074 is a medium-severity vulnerability in Omnisend Newsletters, Email Marketing, Sms And Popups By, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-30.

How severe is CVE-2026-97074?

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

Auth bypass in Omnisend Newsletters, Email Marketing, Sms And Popups By

CVE-2026-97074

Subscriber Insecure Direct Object References (IDOR) in Newsletters, Email Marketing, SMS and Popups by Omnisend <= 1.9.0 versions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-09-30 · last modified 2026-09-30.

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.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Omnisend Newsletters, Email Marketing, Sms And Popups By

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

patchstack.com/database/wordpress/plugin/omnisend/vulnerability/wordpress-newsl… (vdb-entry)

Frequently asked questions

What is CVE-2026-97074?: CVE-2026-97074 is a medium-severity vulnerability in Omnisend Newsletters, Email Marketing, Sms And Popups By, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-30.
How severe is CVE-2026-97074?: Medium severity. CVSS v3 base score is 4.3 out of 10.