CVE-2026-75002
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.
| CWE | CWE-77 |
| Vendor | roundcube |
| Product | webmail |
| Published | Aug 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Affected Versions
Roundcube / Webmail
1.6.0 < 1.6.18 1.7.0 < 1.7.3
References
roundcube.net: https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 github.com: https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 github.com: https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad