Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild

The Canadian Centre for Cyber Security has warned that a now-patched Roundcube Webmail vulnerability is being actively exploited in the wild.

The vulnerability in question is CVE-2026-48842 (CVSS score: 8.1), a pre-authentication SQL injection in the virtuser_query plugin of Roundcube Webmail versions 1.6.x before 1.6.16 and 1.7.x before 1.7.1.

The issue stems from a preg_replace() backslash

guid

https://thehackernews.com/2026/09/roundcube-pre-auth-sql-injection-flaw.html

source_url

https://thehackernews.com/2026/09/roundcube-pre-auth-sql-injection-flaw.html

id: 3261
uid: REXZK
insdate: 2026-09-25 11:10:12
title: Roundcube Pre-Auth SQL Injection Flaw Actively Exploited in the Wild
additional: The Canadian Centre for Cyber Security has warned that a now-patched Roundcube Webmail vulnerability is being actively exploited in the wild.

The vulnerability in question is CVE-2026-48842 (CVSS score: 8.1), a pre-authentication SQL injection in the virtuser_query plugin of Roundcube Webmail versions 1.6.x before 1.6.16 and 1.7.x before 1.7.1.

The issue stems from a preg_replace() backslash
category: Cybersecurity
md5:
guid: https://thehackernews.com/2026/09/roundcube-pre-auth-sql-injection-flaw.html
source_url: https://thehackernews.com/2026/09/roundcube-pre-auth-sql-injection-flaw.html
updated:
image:
author_name:
author_link:
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