cPanel CVE-2026-68490: Information Disclosure
cPanel is affected by CVE-2026-68490. Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts. 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.
Etkilenen Sürümler
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
Yamalanmış Sürüm
11.134.0.57 / 11.136.0.41 / 11.138.0.8 / WP Squared 11.138.1.11
Varsayılan Güncelleme Komutu
/usr/local/cpanel/scripts/upcp --forceDüzeltme Komutları
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/versionSharedLicense lisansı altında bunun anlamı
Your SharedLicense cPanel license itself is not affected — this is a vulnerability in cPanel & WHM, 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.
Incorrect permission assignment allows local users to obtain sensitive CalDAV/CardDAV information belonging to other accounts. The information exposed includes calendar events and contacts of other accounts on the server.
Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-68490
Sıkça Sorulan Sorular
What is CVE-2026-68490?
Is CVE-2026-68490 being exploited in the wild?
How do I fix CVE-2026-68490?
Which versions are affected?
Referanslar
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