{"id":4294,"date":"2026-10-21T23:34:16","date_gmt":"2026-10-21T23:34:16","guid":{"rendered":"https:\/\/www.ucartz.com\/updates\/acymailing-enterprise-remote-code-execution-vulnerability-cve-2026-94132-high-severity\/"},"modified":"2026-10-21T23:34:19","modified_gmt":"2026-10-21T23:34:19","slug":"acymailing-enterprise-remote-code-execution-vulnerability-cve-2026-94132-high-severity","status":"publish","type":"post","link":"https:\/\/www.ucartz.com\/updates\/acymailing-enterprise-remote-code-execution-vulnerability-cve-2026-94132-high-severity\/","title":{"rendered":"AcyMailing Enterprise Remote Code Execution Vulnerability (CVE-2026-94132) \u2014 High Severity"},"content":{"rendered":"<p>A critical security flaw has been identified in the AcyMailing Enterprise extension for Joomla!, posing a significant risk to websites using older versions. This vulnerability could allow attackers to execute malicious code on your server, potentially leading to a complete takeover of your website.<\/p>\n<h2>CVE Details<\/h2>\n<p><strong>Product:<\/strong> AcyMailing Enterprise (Joomla! Extension)<br \/>\n<strong>Published:<\/strong> September 26, 2026<br \/>\n<strong>Severity:<\/strong> High (CVSS Score: 8.1)<br \/>\n<strong>Status:<\/strong> Analyzed<\/p>\n<h2>Affected Products<\/h2>\n<p>The Remote Code Execution (RCE) vulnerability affects AcyMailing Enterprise extension versions prior to 11.1.0. If you are running any version older than 11.1.0, your website is at risk.<\/p>\n<h2>Current Status<\/h2>\n<p>This vulnerability has been thoroughly analyzed, confirming the potential for severe impact. The issue stems from the mailbox action feature within the AcyMailing Enterprise extension. Specifically, MIME parts of incoming emails were saved to the <code>media\/com_acym\/upload\/<\/code> directory without proper extension checks. This oversight could be exploited by anyone capable of emailing the monitored mailbox, allowing them to write a PHP file directly into your web root, thereby enabling remote code execution.<\/p>\n<h2>Severity Level<\/h2>\n<p>Rated as &#8220;High&#8221; severity with a CVSS score of 8.1, this vulnerability is very serious. A Remote Code Execution (RCE) flaw means an attacker could run arbitrary code on your web server. This could lead to unauthorized access to your website&#8217;s data, defacement of your site, or even using your server for further attacks. The ease with which this vulnerability can be exploited by simply sending a crafted email makes it particularly dangerous.<\/p>\n<h2>Possible Solutions<\/h2>\n<p>The most crucial step to protect your Joomla! website is to update your AcyMailing Enterprise extension immediately. The vulnerability has been addressed in version 11.1.0 and later. We strongly recommend upgrading to the latest stable version available.<\/p>\n<p>To mitigate this risk, follow these steps:<\/p>\n<ol>\n<li><strong>Update AcyMailing:<\/strong> Ensure your AcyMailing Enterprise extension is updated to version 11.1.0 or higher. Always download updates from the official AcyMailing website or through your Joomla! extension manager.<\/li>\n<li><strong>Regular Backups:<\/strong> Maintain a consistent schedule of full website backups. In case of a compromise, a recent backup can significantly reduce downtime and data loss.<\/li>\n<li><strong>Monitor Activity:<\/strong> Keep an eye on your server logs for any unusual activity, especially in the <code>media\/com_acym\/upload\/<\/code> directory.<\/li>\n<\/ol>\n<h2>References<\/h2>\n<p><p><a href=\"https:\/\/www.acymailing.com\/\">https:\/\/www.acymailing.com\/<\/a><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A critical security flaw has been identified in the AcyMailing Enterprise extension for Joomla!, posing a significant risk to websites using older versions. This vulnerability could allow attackers<\/p>\n","protected":false},"author":17,"featured_media":2649,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1192,1284,980,757,695],"class_list":["post-4294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-acymailing","tag-extension-vulnerability","tag-joomla","tag-remote-code-execution","tag-web-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AcyMailing Enterprise Remote Code Execution | Ucartz<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ucartz.com\/updates\/acymailing-enterprise-remote-code-execution-vulnerability-cve-2026-94132-high-severity\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AcyMailing Enterprise Remote Code Execution Vulnerability (CVE-2026-94132) \u2014 High Severity - Ucartz Updates\" \/>\n<meta property=\"og:description\" content=\"A critical security flaw has been identified in the AcyMailing Enterprise extension for Joomla!, posing a significant risk to websites using older versions. This vulnerability could allow attackers\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ucartz.com\/updates\/acymailing-enterprise-remote-code-execution-vulnerability-cve-2026-94132-high-severity\/\" \/>\n<meta property=\"og:site_name\" content=\"Ucartz Updates\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-21T23:34:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-21T23:34:19+00:00\" \/>\n<meta name=\"author\" content=\"Alex Joseph\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alex Joseph\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" 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