cPanel CVE-2026-87899: Privilege Escalation
cPanel is affected by CVE-2026-87899. Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges. Affected versions: 11.120.0.0 before 11.134.0.57 | 11.136.0.0 before 11.136.0.41 | 11.138.0.0 before 11.138.0.8. Fixed in 11.134.0.57 / 11.136.0.41 / 11.138.0.8 / WP Squared 11.138.1.11. CVSS base score: 9.4.
Затронутые версии
11.120.0.0 before 11.134.0.57 | 11.136.0.0 before 11.136.0.41 | 11.138.0.0 before 11.138.0.8
Исправленная версия
11.134.0.57 / 11.136.0.41 / 11.138.0.8 / WP Squared 11.138.1.11
Команда обновления по умолчанию
/usr/local/cpanel/scripts/upcp --forceКоманды исправления
AlmaLinux / CloudLinux / RHEL / Rocky Linux
# cPanel updates automatically; run manually to patch now
/usr/local/cpanel/scripts/upcp --force
# The update also repairs calendar and contact permissions for existing accounts
cat /usr/local/cpanel/versionЧто это значит по лицензии SharedLicense
Your SharedLicense cPanel license itself is not affected — this is a vulnerability in cPanel, not in licensing. Licenses continue to work during and after the update; there is no need to re-issue or re-activate anything. If you resell under your own brand, patch client servers too — unpatched installs put your reputation at risk, not your license.
Execution with unnecessary privileges in cPanel allows remote authenticated users to execute arbitrary code with root privileges.
Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-87899
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