Critical (9.8) in Roundcube Roundcube Webmail. In CISA KEV since 2023-06-22. EPSS 84% chance of exploitation in the next 30 days.
rcube_image.php in Roundcube Webmail before 1.4.4 allows attackers to execute arbitrary code via shell metacharacters in a configuration setting for im_convert_path or im_identify_path.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
84% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)