Threat landscape
high

Red Hat OpenShift (oauth-proxy): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

WID-SEC-2026-2749 · first 11.08.2026 · updated 27.08.2026 · CVSS 8,5

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What it is about

Red Hat OpenShift ist eine "Platform as a Service" (PaaS) Lösung zur Bereitstellung von Applikationen in der Cloud. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat OpenShift ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Daten zu manipulieren.

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

  • Sicherheitsvorkehrungen zu umgehen
  • Daten zu manipulieren

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Container Platform <4.21.28
  • Red Hat OpenShift Container Platform 4.20.33

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Red Hat OpenShift Container Platform 4.21.28

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-2026-49332

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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