CVE-2026-75004
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | roundcube |
| Product | webmail |
| Published | Aug 17, 2026 |
| Last Updated | Aug 17, 2026 |
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