CVE-2026-48842
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.
- Published May 25, 2026
- CVSS 8.1 high
- 0.9% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Affected software
In the news
- Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild The Hacker News ·
- Multiple vulnerabilities in Roundcube CERT-FR ·
- Roundcube security advisory (AV26-503) – Update 1 Canadian Centre for Cyber Security ·