CVE-2026-48842: SQL Injection
Published May 25, 2026
·Updated
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.
Affected Software
1 affected component
Roundcube Roundcube Webmail<1.6.16, <1.7.1
Event History
May 25, 2026
CVE Published
via MITRE·07:06 PM
Data Sourced
via MITRE·07:06 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-48842?
CVE-2026-48842 has a severity score of 8.1, classified as high.
2
How do I fix CVE-2026-48842?
To fix CVE-2026-48842, update Roundcube Webmail to version 1.6.16 or 1.7.1 or later.
3
What type of vulnerability is CVE-2026-48842?
CVE-2026-48842 is a pre-authentication SQL injection vulnerability in the virtuser_query plugin.
4
Which versions of Roundcube are affected by CVE-2026-48842?
Roundcube Webmail versions 1.6.x before 1.6.16 and 1.7.x before 1.7.1 are affected by CVE-2026-48842.
5
How can CVE-2026-48842 impact my Roundcube installation?
CVE-2026-48842 can allow attackers to execute arbitrary SQL commands, potentially compromising sensitive data in your Roundcube installation.