CVE-2026-48842 PUBLISHED

Assigner: mitre
Reserved: 25.05.2026 Published: 25.05.2026 Updated: 26.05.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Roundcube
Product	Webmail
Versions	Default: unaffected affected from 1.6.0 to 1.6.16 (excl.) affected from 1.7.0 to 1.7.1 (excl.)

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/commit/3406183a9976e36f992d3468f37d0e2346526ee9
https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b

Problem Types

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE