Roundcube
- 3
- vulnerabilities tracked
- 3
- critical
- 14 July 2026
- latest publication
cve
Vulnerability watch
idvulnerabilityseveritypublished
CVE-2026-54433In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click).Roundcube Webmail Critical CVSS 10 CVE-2026-62643In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.Roundcube Webmail Critical CVSS 10 CVE-2026-62644In 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.Roundcube Webmail Critical CVSS 9.8