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CVE-2026-62643

—
CVSS 3.1
10.0 critical
EPSS
<1%p16
Published
()
Modified
Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, 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. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.

Vendors
roundcube
Products
webmail
Weakness
CWE-918
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
NVD CVE.org GitHub PoCs EPSS (0.2%)

In the news

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