CVE-2026-57740

WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability

7.1 High

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 <= 10.11.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: High

Exploit likelihood

0.32%Unchanged since Jul 13, 2026

What each source reports

CVE List Score used 7.1

WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability

Record: CVE-2026-57740
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-43382 7.1

Record: EUVD-2026-43382
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pv5g-pfq4-mqxr 7.1

Missing Authorization vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter...

Record: GHSA-pv5g-pfq4-mqxr
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-862
Updated: 2026-11-02

NVD 7.1

Record: CVE-2026-57740
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-862
Updated: 2026-11-02

Affected products

acymailing newsletter team smtp newsletter

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-57740 is a high vulnerability (CVSS 7.1) in Acymailing Newsletter Team Smtp Newsletter, published July 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 25th percentile. No source names a fixed version.