CVE-2026-75004
Medium · 4.3CVSS
4.3
EPSS
0.4%
Published
Aug 17, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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