Vulnerability Description
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.
CVSS Score
5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Roundcube | Webmail | >= 1.6.0, < 1.6.18 |
Related Weaknesses (CWE)
References
- https://github.com/roundcube/roundcubemail/commit/0893e192adf803c7a5a89fafc80278Patch
- https://github.com/roundcube/roundcubemail/commit/e6cc1e121effeaec6d916feb4e019dPatch
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.18Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.3Release Notes
- https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3Vendor Advisory
FAQ
What is CVE-2026-75007?
CVE-2026-75007 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 e...
How severe is CVE-2026-75007?
CVE-2026-75007 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-75007?
Check the references section above for vendor advisories and patch information. Affected products include: Roundcube Webmail.