CVE-2026-48842

Roundcube Webmail

Medium priority: severe, but no known exploitation

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.

In the news

• Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild · The Hacker News