ChainRoundcube · WebmailPackagist:roundcube/roundcubemail
Roundcube Webmail: incomplete fixes (2026)
4 CVEs over 4 generations, 3 Apr 2026 to 17 Aug 2026.
Family tree
Left to right by publication date.Oldest first. Select a CVE to open it.- CVE-2026-355403 Apr 2026 First in the chain
- CVE-2026-4884325 May 2026 incomplete fix for CVE-2026-35540
- CVE-2026-6264314 Jul 2026 incomplete fix for CVE-2026-35540incomplete fix for CVE-2026-48843
- CVE-2026-7500617 Aug 2026 incomplete fix for CVE-2026-35540incomplete fix for CVE-2026-48843and 1 more
Exploited in the wild (CISA KEV) Not in KEV Priority score (0 to 100) High confidence Medium Low Link confidenceHow strong the evidence is that two CVEs are related. High: stated in the CVE text or linked in an advisory, or the same code was patched one release apart. Medium: the same code, or a version step plus a similar description. Low: similar description only.
CVEs in this family
Table view of the tree| CVE | Published | Title | Linked from | Priority |
|---|---|---|---|---|
| CVE-2026-35540 | 3 Apr 2026 | An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14 | First in chain | 10.3 |
| CVE-2026-48843 | 25 May 2026 | Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS)… | CVE-2026-35540 · incomplete fix · High | 8.8 |
| CVE-2026-62643 | 14 Jul 2026 | In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in… | CVE-2026-35540 · incomplete fix · High | 9.5 |
| CVE-2026-75006 | 17 Aug 2026 | In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in… | CVE-2026-35540 · incomplete fix · High | 11.2 |