Report: CVE-2026-48843 - Roundcube Webmail CSS Injection Vulnerability - Full Analysis

Report: CVE-2026-48843 - Roundcube Webmail CSS Injection Vulnerability - Full Analysis

CVE ID :CVE-2026-48843 Published : May 25, 2026, 7:11 p.m. | 58 minutes ago Description :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. Severity: 7.2 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
May 25, 2026
Attack Vector: local
Impact: SSRF