Threat landscape
high

cPanel cPanel/WHM: Mehrere Schwachstellen

WID-SEC-2026-2508 · first 24.07.2026 · updated 15.09.2026 · CVSS 9,1

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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 Angreifer kann mehrere Schwachstellen in cPanel cPanel/WHM ausnutzen, um möglicherweise beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder einen Denial-of-Service-Zustand herbeizuführen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

  • möglicherweise beliebigen Code auszuführen
  • vertrauliche Informationen offenzulegen
  • Sicherheitsmaßnahmen zu umgehen
  • Daten zu manipulieren oder einen Denial-of-Service-Zustand herbeizuführen

Am I affected?

Affected according to the BSI:

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • RESF Rocky Linux
  • SUSE openSUSE
  • cPanel cPanel/WHM <136.0.31
  • cPanel cPanel/WHM <110.0.138

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 136.0.31
  • cPanel cPanel/WHM 110.0.138

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

CVE: CVE-2026-13713, CVE-2026-57075, CVE-2026-57076, CVE-2026-57077

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.

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