High severity · published Jul 13, 2026
CVE-2026-57740
WordPress AcyMailing SMTP Newsletter plugin <= 10.11.1 - Broken Access Control vulnerability
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
AcyMailing SMTP Newsletter · AcyMailing Newsletter Team
through 10.11.1 · source: vendor
Affected product
AS
AcyMailing SMTP Newsletter
AcyMailing Newsletter Team
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57740
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/acymailing/vulnerability/wordpress-acymailing-smtp-newsletter-plugin-10-10-2-broken-access-control-vulnerability?_s_id=cve
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