Threat landscape
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Red Hat Quay: Schwachstelle ermöglicht Offenlegung von Informationen

WID-SEC-2026-2576 · first 30.07.2026 · updated 13.10.2026 · CVSS 7,2

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What it is about

Red Hat Quay ist eine verteilte und hochverfügbare Container Image Registry. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat Quay ausnutzen, um Informationen offenzulegen, die zur Darstellung als bestimmte Konten verwendet werden können.

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
  • die zur Darstellung als bestimmte Konten verwendet werden können

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • Red Hat Quay 3

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

What helps?

Install the updates provided by the vendor; details in the sources below.

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-2026-18255

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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