VULNERABILITY INTELLIGENCE

CVE-2026-75004

CVSS score4.3 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-08-17
Last modified2026-09-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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.

Weakness classification

  • cve@mitre.org: CWE-77

Primary references