VulnerabilityAnalyzed
CVE-2026-75007
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.
HIGH 8.8EPSS 0.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.35% probability · 29th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- roundcube/webmail
- Source
- cve@mitre.org
References
- https://github.com/roundcube/roundcubemail/commit/0893e192adf803c7a5a89fafc80278257e1bcf65Patch
- https://github.com/roundcube/roundcubemail/commit/e6cc1e121effeaec6d916feb4e019d2828924540Patch
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.