Vulnerability record

CVE-2026-48842

Severity: HighExploitation: No known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-48842 scored CVSS 8.1

    Basis: NIST National Vulnerability Database

Coverage

We have not published a story about this vulnerability yet.

References

  • github.com https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9
  • github.com https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
  • roundcube.net https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
  • openwall.com http://www.openwall.com/lists/oss-security/2026/06/03/17