Web Application Vulnerabilities Runtime SCA Findings
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Roundcube Incorrect Resource Transfer Between Spheres Vulnerability (CVE-2026-35544) - Vulnerability Database

Roundcube Incorrect Resource Transfer Between Spheres Vulnerability (CVE-2026-35544)

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.

References

CVE-2026-35544

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Severity

Medium

Classification

CVE-2026-35544
CWE-669
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Tags

Missing Update
Known Vulnerabilities