CVE-2026-48849
4.4
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, an unsanitized subject field in the draft restored value could lead to stored XSS/HTML/CSS injection on shared mailboxes.
How to fix CVE-2026-48849
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/roundcube—no fix listed
Is CVE-2026-48849 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.4 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N |