CVE-2026-75004

Published Aug 17, 2026

Last updated a month ago

Overview

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.
Source
cve@mitre.org
NVD status
Analyzed
Products
webmail

Risk scores

CVSS 3.1

Type
Secondary
Base score
4.3
Impact score
1.4
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Severity
MEDIUM

Weaknesses

cve@mitre.org
CWE-77

Social media

Hype score
Not currently trending

Configurations