PT-2026-58097 · Roundcube · Webmail

Published 2026-07-14 · Updated 2026-07-14 · CVE-2026-62643

NVD

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-62643

Affected Products

Webmail

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-62643 · Security Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 · Note
• https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1c · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 · Note
• https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786 · Note
• https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 · Note