What is CVE-2026-94389?

CVE-2026-94389 is a critical-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Code Injection. CVSS score: 9.0/10. Published 2026-09-30.

How severe is CVE-2026-94389?

Critical severity. CVSS v3 base score is 9.0 out of 10.

RCE in Acymailing Newsletter Team Smtp

CVE-2026-94389

Unauthenticated Remote Code Execution (RCE) in AcyMailing SMTP Newsletter <= 11.0.5 versions.

Vulnerability class: RCE (Remote Code Execution)

Published 2026-09-30 · last modified 2026-09-30.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Acymailing Newsletter Team Smtp

Weakness classification (CWE)

CWE-94 — Code Injection

References

patchstack.com/database/wordpress/plugin/acymailing/vulnerability/wordpress-acy… (vdb-entry)

Frequently asked questions

What is CVE-2026-94389?: CVE-2026-94389 is a critical-severity vulnerability in Acymailing Newsletter Team Smtp, classified under Code Injection. CVSS score: 9.0/10. Published 2026-09-30.
How severe is CVE-2026-94389?: Critical severity. CVSS v3 base score is 9.0 out of 10.