PT-2026-76647 · Roundcube+3 · Webmail+2

CVE-2026-75006

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Published

2026-08-17

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Updated

2026-08-17

CVSS v3.1

5.8

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
🚨 CVE-2026-75006 In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, 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. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.
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Exploit

Fix

SSRF

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Weakness Enumeration

Related Identifiers

CVE-2026-75006

Affected Products

Webmail
Roundcube
Roundcubemail