CVE-2026-48842

8.1 HIGH

Published: May 25, 2026 Modified: June 03, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

http://www.openwall.com/lists/oss-security/2026/06/03/17

Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.1 / 10.0

EPSS (Exploit Probability)

0.7%

47th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-89

Related CVEs