CVE-2026-94389
Received Received - Intake

Unauthenticated Remote Code Execution in AcyMailing

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: Patchstack

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

CVSS Scores

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-09-30
AI Q&A
2026-09-30
EPSS Evaluated
N/A
NVD
CVE-2026-94389
EUVD
EUVD-2026-89844

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
acymailing acymailing to 11.0.5 (inc)
acymailing acymailing_smtp_newsletter to 11.0.5 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

This is an Unauthenticated Remote Code Execution (RCE) vulnerability affecting AcyMailing SMTP Newsletter versions 11.0.5 and below. It allows attackers to execute arbitrary code on the server without authentication.

Impact Analysis

An attacker could take full control of the affected system, steal data, install malware, or disrupt services. The high CVSS score (9.0) indicates severe impact including confidentiality, integrity, and availability breaches.

Compliance Impact

This RCE vulnerability could lead to unauthorized data access or exfiltration, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations may face fines or legal consequences for non-compliance.

Mitigation Strategies

Immediately update AcyMailing SMTP Newsletter to version 11.0.5 or later to patch the vulnerability. If updating is not possible, consider disabling the software or restricting network access to it until patched.

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