CVE-2026-62644
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.
| CWE | CWE-290 |
| Vendor | roundcube |
| Product | webmail |
| Published | Jul 14, 2026 |
| Last Updated | Jul 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Roundcube / Webmail
1.6.0 < 1.6.17 1.7.0 < 1.7.2
References
roundcube.net: https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.7.2 github.com: https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d github.com: https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.6.17 github.com: https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476 github.com: https://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c