CVE-2026-54433

CVE-2026-54433 affects Roundcube Webmail prior to 1.6.17 and 1.7.x prior to 1.7.2. It is a Stored XSS vulnerability that allows attacker-controlled JavaScript to execute within the victim’s authenticated session simply by opening or previewing a crafted plain-text email (zero-click). Fedora advis...

CVE-2026-62643

CVE-2026-62643 affects Roundcube Webmail prior to 1.6.17 and 1.7.x prior to 1.7.2. The issue is insufficient CSS sanitization in HTML email bodies, which can enable SSRF or information disclosure when stylesheet links point to local network hosts. Public disclosures and advisories in connected do...

CVE-2026-62644

CVE-2026-62644 affects Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, where the password plugin was vulnerable to username spoofing via session data, enabling potential account takeover. The underlying issue is a compromised or manipulated session state that could falsely attribute a use...

CVE-2026-62641

CVE-2026-62641 affects Roundcube Webmail, where the TNEF decoder is vulnerable to denial of service when handling a crafted compressed-RTF size. The issue exists in Roundcube Webmail before 1.6.17 and in 1.7.x before 1.7.2. According to the sources, upgrading to Roundcube Webmail 1.6.17 or 1.7.2 ...

CVE-2026-62642

The data identifies Roundcube Webmail as affected. Vulnerable component: the TNEF decoder, with an infinite loop leading to denial of service when opening emails containing TNEF attachments. Affected versions are Roundcube Webmail before 1.6.17 and before 1.7.2 (1.7.x). Remediation: upgrade to Ro...