CVE-2026-57739: acymailing newsletter team acymailing smtp newsletter SQL Injection

Vulnerability summary

CVE-2026-57739 is a critical (CVSS 9.3) SQL Injection vulnerability in acymailing newsletter team acymailing smtp newsletter. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities.

Timeline

1. 13-07-2026
   PublishedVulnerability first disclosed.
2. 13-07-2026
   Last modifiedVulnerability information updated.

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in AcyMailing Newsletter Team AcyMailing SMTP Newsletter acymailing allows Blind SQL Injection.This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.0.

• CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.