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CVE-2026-48842 is a vulnerability classified as Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'), affecting Webmail (affected versions: 1.6.0 – < 1.6.16 and 1.7.0 – < 1.7.1). This vulnerability is rated High, with a CVSS score of 8.1. Current sources do not report this vulnerability as exploited.
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Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
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