CVE-2026-48843
Last modified
CVE-2026-48843 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
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- CVE-2026-48842Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1…8.1
- CVE-2026-48844Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1…7.5
- CVE-2026-48845In Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16 and 1.7…6.5
- CVE-2026-48846In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.…6.5
- CVE-2026-48847Roundcube Webmail 1.6.x before 1.6.16, and 1.7.x before 1.7.…3.7
- CVE-2026-48848Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7 h…7.2
- CVE-2026-48849In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.…4.4
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