CVE-2026-75007
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, the LDAP search filter was subject to injection via unescaped %u/%fu/%d substitution, which may lead to information disclosure or privilege escalation.
| CWE | CWE-77 |
| Vendor | roundcube |
| Product | webmail |
| Published | Aug 17, 2026 |
| Last Updated | Aug 17, 2026 |
Stay Ahead of the Next One
Get instant alerts for roundcube webmail
Be the first to know when new medium vulnerabilities affecting roundcube webmail are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
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/e6cc1e121effeaec6d916feb4e019d2828924540 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 github.com: https://github.com/roundcube/roundcubemail/commit/0893e192adf803c7a5a89fafc80278257e1bcf65