CVE-2026-75003

medium

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.

References

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

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

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

https://github.com/roundcube/roundcubemail/commit/440277c32e6d84f3d116153af1cc8454361a8a56

https://github.com/roundcube/roundcubemail/commit/1cebea03474305d9f75a9a33d30880d290b5591b

Details

Source: Mitre, NVD

Published: 2026-08-17

Updated: 2026-08-18

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.8

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