We just published security updates to the 1.6 LTS and 1.7 versions of Roundcube Webmail. They both contain fixes for recently reported security vulnerabilities.
Security fixes- Fix stored XSS/HTML/CSS injection in subject field of the draft restore dialog, reported by zazy
- Fix CSS injection bypass in HTML sanitizer via SVG <animate attributeName="style">, reported by wooseokdotkim
- Fix pre-auth SQL injection in virtuser_query plugin via preg_replace backslash escape bypass, reported by skull
- Fix SSRF bypass via specific local address URLs
- Fix local/private URL fetch bypass when remote resources were not allowed, reported by Orange Cyberdefense Vulnerability Disclosure Team
- Fix bypass of remote image blocking via CSS var(), reported by Geame
- Fix pre-auth arbitrary file delete via redis/memcache session poisoning bypass, reported by valent1
- Fix code injection vulnerability - remove support for code evaluation in LDAP autovalues option, reported by Glendaenri
See the full changelogs in the release notes on the Github download pages for the updated versions 1.6.16 (https://github.com/roundcube/roundcubemail/releases/tag/1.6.16) and 1.7.1 (https://github.com/roundcube/roundcubemail/releases/tag/1.7.1).
Source: https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
Get it Now: https://roundcube.net/download