CyberICT

CVE-2026-75003

Roundcube · Published August 17, 2026

CVSS v3.1

CRITICAL
Patch availableGet patch

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.

Affected Products

  • Webmail < 1.6.18
  • Webmail < 1.7.3

CVSS Vector

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