Threat landscape
high

Red Hat Enterprise Linux (flatpak): Mehrere Schwachstellen

WID-SEC-2026-3861 · first 12.10.2026 · updated 29.10.2026 · CVSS 8,8

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What it is about

Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Administratorrechte zu erlangen, beliebigen Code auszuführen, Daten zu manipulieren oder beliebige Dateien auf dem Host zu schreiben oder zu überschreiben, was möglicherweise zur vollständigen Kompromittierung des Systems führen kann.

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

  • Administratorrechte zu erlangen
  • beliebigen Code auszuführen
  • Daten zu manipulieren oder beliebige Dateien auf dem Host zu schreiben oder zu überschreiben
  • was möglicherweise zur vollständigen Kompromittierung des Systems führen kann

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • Fedora Linux
  • RESF Rocky Linux
  • SUSE Linux
  • Oracle Linux
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 9

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

and 5 more sources in the original advisory

CVE: CVE-2026-90616, CVE-2026-96275, CVE-2026-96280, CVE-2026-96808, CVE-2026-86320

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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