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Roundcube

14 known vulnerabilities

2
HIGH
10
MEDIUM
2
LOW

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webmail 14
14 CVEs
7.2
CVE-2026-54433

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plai

6.4
CVE-2026-62644

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to u

7.2
CVE-2026-62643

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, insufficient Cascading Style Sheets (CSS) sanitization in HTM

4.3
CVE-2026-62642

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which ma

4.3
CVE-2026-62641

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a craft

5.3
CVE-2026-35545

An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed

5.3
CVE-2026-35544

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitiz

5.3
CVE-2026-35543

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed

5.3
CVE-2026-35542

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed

4.2
CVE-2026-35541

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plu

5.4
CVE-2026-35540

An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets (CSS) sanitization

6.1
CVE-2026-35539

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachmen

3.1
CVE-2026-35538

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could l

3.7
CVE-2026-35537

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsafe deserialization in the redis/memcache sess

Frequently Asked Questions

How many CVEs affect Roundcube?

Roundcube has 14 CVE records in our database, including 0 critical and 2 high severity vulnerabilities.

What are the most severe Roundcube vulnerabilities?

Roundcube has 0 critical severity (CVSS 9.0+) and 2 high severity (CVSS 7.0-8.9) vulnerabilities. Review the list above sorted by publication date to find the most recent high-severity issues.

How can I scan for Roundcube vulnerabilities?

CyberStrike's AI-powered security agents automatically detect vulnerabilities in Roundcube products across your infrastructure. The platform provides continuous pentesting, DAST scanning, and real-time vulnerability monitoring with actionable remediation guidance.

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