The digital landscape is constantly evolving, bringing new tools and features to improve our online experience. However, with innovation comes the responsibility to maintain security. Recently, a significant vulnerability was identified in the AcyMailing Enterprise extension for Joomla!, a popular email marketing and newsletter component. This flaw, tracked as CVE-2026-94131, poses a high risk due to its potential for unauthenticated arbitrary file deletion.<\/p>\n
This means that an attacker, even without logging in, could potentially delete important files from your Joomla! website. The vulnerability specifically affects AcyMailing Enterprise versions older than 11.1.0. It leverages a feature where subscribers can input data into custom file-type fields. If a malicious user were to store a crafted file path in such a field, and that field was subsequently cleared, AcyMailing could be tricked into deleting a file located anywhere on the server, not just within its designated upload folder. Imagine critical configuration files, like It’s crucial for administrators and developers using AcyMailing Enterprise to understand this risk and take immediate action to protect their installations.<\/p>\n This vulnerability, identified as CVE-2026-94131, was publicly disclosed on September 26, 2026, and last modified on October 20, 2026.<\/p>\n The core product affected is the AcyMailing Enterprise extension for Joomla!. Specifically, any versions prior to 11.1.0 are vulnerable. If you are running an older version of AcyMailing Enterprise, your system is at risk.<\/p>\n The vulnerability is currently categorized as “Analyzed,” meaning its details have been thoroughly investigated and confirmed. The information provided indicates a clear understanding of the flaw and its potential impact.<\/p>\n With a CVSS score of 8.1, this vulnerability is rated as HIGH severity. The ability for an unauthenticated user to delete arbitrary files, including critical system files, represents a severe threat to the integrity and availability of the affected Joomla! installation.<\/p>\n The most direct and effective solution for this vulnerability is to upgrade your AcyMailing Enterprise extension to version 11.1.0 or newer immediately. This update addresses the flaw by properly validating file paths and preventing unauthorized file deletion.<\/p>\n Before performing any update, it is always recommended to:<\/p>\nconfiguration.php<\/code>, being wiped out \u2013 the consequences could be severe, leading to website downtime or even full compromise.<\/p>\nCVE Details<\/h2>\n
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