What is CVE-2026-57740?

CVE-2026-57740 is a high-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-07-13.

How severe is CVE-2026-57740?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Acymailing Newsletter Team Smtp

CVE-2026-57740

Missing Authorization vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter acymailing allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects AcyMailing SMTP Newsletter: from n/a through…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Acymailing Newsletter Team Smtp — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57740?: CVE-2026-57740 is a high-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-07-13.
How severe is CVE-2026-57740?: High severity. CVSS v3 base score is 7.1 out of 10.