CVE-2026-48842
8.1
HIGH
CVSS 3.1
EPSS 0.76%
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.
How to fix CVE-2026-48842
To remediate CVE-2026-48842, upgrade the affected package to a fixed version below.
- Debian/roundcube—upgrade to 1.4.15+dfsg.1-1+deb11u9 or later
Is CVE-2026-48842 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.4.15+dfsg.1-1+deb11u9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |