cPanel cPanel/WHM: Mehrere Schwachstellen
WID-SEC-2026-3584 · first 25.09.2026 · updated 25.09.2026 · CVSS 9,9
What it is about
cPanel ist eine Software für die Verwaltung von Webhosting Auftritten. Die Software ermöglicht es dem Endanwender, Statistiken einzusehen, neue Benutzeraccounts anzulegen, Maileinstellungen zu verändern und vieles mehr. Ein lokaler Angreifer kann mehrere Schwachstellen in cPanel cPanel/WHM ausnutzen, um Informationen offenzulegen und um Code mit Root-Rechten auszuführen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Informationen offenzulegen
- Code mit Root-Rechten auszuführen
Am I affected?
Affected according to the BSI:
- cPanel cPanel/WHM <11.134.0.57
- cPanel cPanel/WHM <11.136.0.41
- cPanel cPanel/WHM <11.138.0.8
- cPanel cPanel/WHM <11.138.1.11
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- cPanel cPanel/WHM 11.134.0.57
- cPanel cPanel/WHM 11.136.0.41
- cPanel cPanel/WHM 11.138.0.8
- cPanel cPanel/WHM 11.138.1.11
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- cPanel Security Advisory vom 2026-09-24 support.cpanel.net
- cPanel Security Advisory vom 2026-09-24 support.cpanel.net
CVE: CVE-2026-68490, CVE-2026-87899
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.