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PatchSiren cyber security CVE debrief

CVE-2026-57740 AcyMailing Newsletter Team CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-07-13T10:16:40.340Z and has not been modified since then. A Missing Authorization vulnerability in AcyMailing SMTP Newsletter plugin allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.1. The vulnerability has a HIGH CVSS score of 7.1, indicating a High priority for users of the plugin.

Vendor
AcyMailing Newsletter Team
Product
AcyMailing SMTP Newsletter
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-13
Original CVE updated
2026-07-13
Advisory published
2026-07-13
Advisory updated
2026-07-13

Who should care

Users of AcyMailing SMTP Newsletter plugin versions up to 10.11.1 should verify their installation and update to a patched version if available. This includes administrators and security teams responsible for maintaining the plugin. The vulnerability has a HIGH CVSS score of 7.1, indicating a High priority for users of the plugin.

Technical summary

A Missing Authorization vulnerability in AcyMailing SMTP Newsletter plugin allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects AcyMailing SMTP Newsletter: from n/a through <= 10.11.1. The vulnerability has a HIGH CVSS score of 7.1. Users of AcyMailing SMTP Newsletter plugin versions up to 10.11.1 should verify their installation and update to a patched version if available.

Defensive priority

High priority due to HIGH CVSS score of 7.1 and potential impact on access control security levels.

Recommended defensive actions

  • Verify AcyMailing SMTP Newsletter plugin version and update to a patched version if available
  • Review access control configurations for the plugin
  • Monitor for suspicious activity related to the plugin
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

Evidence is limited; primary official records indicate a Missing Authorization vulnerability in AcyMailing SMTP Newsletter plugin. Further verification is recommended. The CVE record was published on 2026-07-13T10:16:40.340Z and has not been modified since then. The vulnerability affects AcyMailing SMTP Newsletter plugin versions up to 10.11.1. Users should verify their installation and update to a patched version if available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-57740 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-57740

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-57740 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-57740

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.