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HIGHCVE-2026-48843Published Modified CNA mitre

CVE-2026-48843: Roundcube Webmail 1

Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. The issue stems from an insufficient fix for CVE-2026-35540.

Metrics

CVSS v3.1
7.2
Severity
HIGH
Fixed in
1.6.16
Affected Products
1

Fix available

1.6.161.7.1
Affected packages
  • Roundcube / Webmail
    < 1.6.16 (from 1.6.14) · < 1.7.1 (from 1.7.0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
References