CVE-2026-75000

Published: Aug 17, 2026Modified: Sep 8, 2026

5.8

Vector

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

Exploitability: 3.9 / Impact: 1.4

Source: MITRE (Secondary)

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.

Affected (2)

Products: Roundcube: Webmail

Roundcube

1 product

Webmail

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Roundcube Webmail	1.6.0 ≤ version < 1.6.18
Roundcube Webmail	1.7.0 ≤ version < 1.7.3

Related CWEs

CWE-669

Incorrect Resource Transfer Between Spheres

The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.

References (3)

https://github.com/roundcube/roundcubemail/releases/tag/1.6.18

Source: cve@mitre.org

Release Notes

https://github.com/roundcube/roundcubemail/releases/tag/1.7.3

Source: cve@mitre.org

Release Notes

https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3

Source: cve@mitre.org

Vendor Advisory

Timeline

No history available yet.