PT-2026-43105 · Roundcube · Webmail

Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-48842

Mitre

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-48842

Affected Products

Webmail

References · 5

• https://github.com/roundcube/roundcubemail/releases/tag/1.7.1 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.16 · Note
• https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b · Note
• https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9 · Note
• https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1 · Note