CVE-2026-75004

Published: Aug 17, 2026Modified: Sep 1, 2026

4.3

Vector

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

Exploitability: 2.8 / Impact: 1.4

Source: MITRE (Secondary)

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper rule name quoting could lead to managesieve_disabled_actions setting bypass via a crafted rule name in a Sieve script. This issue only affects Roundcube instances using the managesieve plugin.

Related CWEs

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

References (3)

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

Timeline

No history available yet.