Ubuntu Security Notices USN-8482-1 USN-8482-1: Roundcube Webmail vulnerability Publication date 30 June 2026 Overview Roundcube Webmail could be made to run programs as your login if it opened a malicious website. Releases 26.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Related notices Packages roundcube - skinnable AJAX based webmail solution for IMAP servers - metapack Details It was discovered that Roundcube Webmail was prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document. An attacker could use this issue to execute arbitrary web script in the context of an affected user's session. It was discovered that Roundcube Webmail was prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document. An attacker could use this issue to execute arbitrary web script in the context of an affected user's session. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 26.04 LTS resolute roundcube – 1.6.11+dfsg-1ubuntu0.26.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. roundcube-core – 1.6.11+dfsg-1ubuntu0.26.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2025-68461 CVE-2025-68461 Related notices USN-8097-1 USN-8097-1