CVE-2026-35544
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
CVSS
5.3
Medio
EPSS
0.4%
p30
KEV
—
Exploit Today
9
0-100
Publicado: 3 abr 2026 · Última mod.: 24 jul 2026 · CWE-669
0.4%EPSS · 30 días0.4%
2026-08-202026-09-17
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.
- github.comhttps://github.com/roundcube/roundcubemail/commit/099009b9c8e1d3c636fb9a5af72f7c2596018662
- github.comhttps://github.com/roundcube/roundcubemail/commit/226811a1c974271dbedca72672923abaff8191c0
- github.comhttps://github.com/roundcube/roundcubemail/commit/57dec0c127b98e0c8e3b9c26c80049b9c4bcaea7
- github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.5.14
- github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.14
- github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
- roundcube.nethttps://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-201949.1 CRÍ38.0%
——11As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC), engineering teams have conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities.
The vulnerabilities tracked by CVE-2026-20194 are related to incorrect resource transfer between spheres that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-669.2dCVE-2026-258323.7 BAJ12.4%
——4In Mbed TLS 3.6.x before 3.6.7 and 4.1.x before 4.1.2, the TLS 1.3 client accepts HelloRetryRequest selecting an unadvertised group.4dCVE-2023-372533.1 BAJ9.7%
——3An issue was discovered in the ProofreadPage extension for MediaWiki through 1.39.3. It leaks information about a suppressed user via the API and config variables.2dCVE-2023-372523.1 BAJ9.7%
——3An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. Special:CheckUserLog shows usernames that have been hidden.2dCVE-2023-328037.5 ALT8.2%
——2The ca-certificates package before ca-certificates-2021.2.50-72 for Amazon Linux 2 (AL2) does not properly remove certain TrustCor root certificates from the root store. NOTE: this issue exists because of an incorrect fix for CVE-2022-23491.4dCVE-2026-389242.9 BAJ2.0%
——1In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."4d