CVE-2026-48842

high

Description

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.

References

https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1

https://github.com/roundcube/roundcubemail/releases/tag/1.7.1

https://github.com/roundcube/roundcubemail/releases/tag/1.6.16

https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b

https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9

Details

Source: Mitre, NVD

Published: 2026-05-25

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 7.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H