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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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-25 | Updated 2026-06-03 | Assigner mitre




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

Problem types

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

Product status

Default status
unaffected

1.6.0 (semver) before 1.6.16
affected

1.7.0 (semver) before 1.7.1
affected

References

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

roundcube.net/...026/05/24/security-updates-1.6.16-and-1.7.1

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

github.com/...ommit/3406183a9976e36f992d3468f37d0e2346526ee9

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

github.com/...ommit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b

cve.org (CVE-2026-48842)

nvd.nist.gov (CVE-2026-48842)

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