CVE-2026-28181
Received Received - Intake

Subscriber Broken Access Control in AcyMailing SMTP Newsletter

Vulnerability report for CVE-2026-28181, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description

Subscriber Broken Access Control in AcyMailing SMTP Newsletter <= 10.11.1 versions.

CVSS Scores

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
acymailing acymailing to 10.11.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Subscriber Broken Access Control issue in AcyMailing SMTP Newsletter versions up to and including 10.11.1. Broken access control means unauthorized users can access restricted functionality or data due to improper enforcement of access controls.

Impact Analysis

An attacker with subscriber-level access could exploit this to gain unauthorized access to sensitive data or perform actions beyond their intended permissions. This could lead to data leaks or misuse of newsletter features.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection principles and HIPAA's security requirements for protected health information. Organizations may face compliance violations and penalties.

Mitigation Strategies

Immediately update AcyMailing SMTP Newsletter to the latest version beyond 10.11.1 to patch the broken access control vulnerability. If updating is not possible, consider disabling the plugin or restricting access to the affected component through network-level controls.

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