Medium severity4.3NVD Advisory· Published Aug 17, 2026· Updated Aug 17, 2026
CVE-2026-75004
CVE-2026-75004
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.
Affected products
1- Range: <1.6.18, <1.7.3
Patches
Vulnerability mechanics
References
3News mentions
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