Description

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to a fixed-position mitigation bypass via the use of !important.

INFO

Published Date :

2026-04-03T03:59:49.053Z

Last Modified :

2026-04-03T03:59:49.053Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2026-35544 vulnerability.

Vendors Products
Roundcube
  • Webmail
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-35544.

URL Resource
https://github.com/roundcube/roundcubemail/commit/099009b9c8e1d3c636fb9a5af72f7c2596018662 cve-icon cve-icon
https://github.com/roundcube/roundcubemail/commit/226811a1c974271dbedca72672923abaff8191c0 cve-icon cve-icon
https://github.com/roundcube/roundcubemail/commit/57dec0c127b98e0c8e3b9c26c80049b9c4bcaea7 cve-icon cve-icon
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14 cve-icon cve-icon
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 cve-icon cve-icon
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 cve-icon cve-icon
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 cve-icon cve-icon
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CVSS Vulnerability Scoring System

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