cPanel/WHM: Schwachstelle ermöglicht Offenlegung von Informationen
WID-SEC-2026-0527 · first 26.02.2026 · updated 26.02.2026 · CVSS 6,5
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 entfernter, authentisierter Angreifer kann eine Schwachstelle in cPanel/WHM ausnutzen, um Informationen offenzulegen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- cPanel cPanel/WHM <110.0.89
- cPanel cPanel/WHM <126.0.46
- cPanel cPanel/WHM <132.0.25
- cPanel cPanel/WHM <134.0.9
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 110.0.89
- cPanel cPanel/WHM 126.0.46
- cPanel cPanel/WHM 132.0.25
- cPanel cPanel/WHM 134.0.9
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 110 Changelog vom 2026-02-25 docs.cpanel.net
- cPanel 126 Changelog vom 2026-02-25 docs.cpanel.net
- cPanel 132 Changelog vom 2026-02-25 docs.cpanel.net
- cPanel 134 Changelog vom 2026-02-25 docs.cpanel.net
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.