CVE-2026-62643

HIGH

Roundcube Webmail - Server-Side Request Forgery (SSRF)

Title source: rule

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.

References (5)

Core 5

Core References

https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2

https://github.com/roundcube/roundcubemail/releases/tag/1.7.2

https://github.com/roundcube/roundcubemail/commit/6d69e094d55d3a9a84dfb36edf6ca985311f0c1c

View Patch ZIP pw:eip

https://github.com/roundcube/roundcubemail/releases/tag/1.6.17

https://github.com/roundcube/roundcubemail/commit/294c7da6e7284166f040cef8607b677d459e0786

View Patch ZIP pw:eip

Scores

CVSS v3 7.2

EPSS 0.0025

EPSS Percentile 16.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (3)

Roundcube/Webmail 1.6.0 - 1.6.17

roundcube/webmail 1.6.0 - 1.6.17

Roundcube/Webmail 1.7.0 - 1.7.2

Published Jul 14, 2026

Tracked Since Jul 14, 2026