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Known vulnerabilities in Roundcube Webmail

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CVE Summary Score Published
CVE-2026-35540 An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14 5.4 Medium Apr 3, 2026
CVE-2026-35539 An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14 6.1 Medium Apr 3, 2026
CVE-2026-35538 An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14 3.1 Low Apr 3, 2026
CVE-2026-35537 An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14 3.7 Low Apr 3, 2026
CVE-2026-26079 Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13 allows Cascading Style Sheets (CSS) injection, e.g., because… 4.7 Medium Feb 11, 2026
CVE-2026-25916 Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage 4.3 Medium Feb 9, 2026
CVE-2025-68461 Exploited RoundCube Webmail Cross-site Scripting Vulnerability 7.2 High Dec 18, 2025
CVE-2025-68460 Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a information disclosure vulnerability in the HTML… 7.2 High Dec 18, 2025
CVE-2025-49113 Exploited RoundCube Webmail Deserialization of Untrusted Data Vulnerability 9.9 Critical Jun 2, 2025
CVE-2024-37383 Exploited RoundCube Webmail Cross-Site Scripting (XSS) Vulnerability 6.1 Medium Jun 7, 2024
CVE-2023-43770 Exploited Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability 6.1 Medium Sep 22, 2023
CVE-2020-13965 Exploited Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability 6.3 Medium Jun 9, 2020

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