GHSA-8j8w-wwqc-x596CriticalCVSS 9.9

Roundcube Webmail Vulnerable to Authenticated RCE via PHP Object Deserialization

Published
June 2, 2025
Last Modified
February 20, 2026

🔗 CVE IDs covered (1)

📋 Description

Roundcube Webmail before 1.5.10 and 1.6.x before 1.6.11 allows remote code execution by authenticated users because the _from parameter in a URL is not validated in program/actions/settings/upload.php, leading to PHP Object Deserialization.

🎯 Affected products2

  • composer/roundcube/roundcubemail:< 1.5.10
  • composer/roundcube/roundcubemail:>= 1.6.0, < 1.6.11

🔗 References (15)