roundcube/roundcubemail vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-35539Mediumroundcube/roundcubemail: Roundcube Webmail: Insufficient HTML attachment sanitization in preview modeCVE-2026-35540Mediumroundcube/roundcubemail: Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messagesCVE-2026-35538Lowroundcube/roundcubemail: Roundcube Webmail: Unsanitized IMAP SEARCH command argumentsCVE-2026-35537Lowroundcube/roundcubemail: Roundcube Webmail: Unsafe deserialization in the redis/memcache session handlerCVE-2026-35541Mediumroundcube/roundcubemail: Roundcube Webmail: Incorrect password comparison in the password pluginCVE-2026-35544Mediumroundcube/roundcubemail: Roundcube Webmail: Insufficient CSS sanitization in HTML e-mail messagesCVE-2026-35542Mediumroundcube/roundcubemail: Roundcube: Bypass of remote image blocking via crafted BODY background attributeCVE-2026-35545Mediumroundcube/roundcubemail: Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail…CVE-2026-35543Mediumroundcube/roundcubemail: Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an…CVE-2025-49113Criticalroundcube/roundcubemail: Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

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