What is CVE-2026-28181?

CVE-2026-28181 is a medium-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-08-13.

How severe is CVE-2026-28181?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Acymailing Newsletter Team Smtp

CVE-2026-28181

Subscriber Broken Access Control in AcyMailing SMTP Newsletter <= 10.11.1 versions.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Acymailing Newsletter Team Smtp — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-28181?: CVE-2026-28181 is a medium-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-08-13.
How severe is CVE-2026-28181?: Medium severity. CVSS v3 base score is 6.5 out of 10.