Red Hat Enterprise Linux Flatpack: Mehrere Schwachstellen ermöglichen Manipulation von Dateien
WID-SEC-2026-4147 · first 26.10.2026 · updated 27.10.2026 · CVSS 7,1
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux Flatpack ausnutzen, um Dateien zu manipulieren.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Dateien zu manipulieren
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- RESF Rocky Linux
- Oracle Linux
- Red Hat Enterprise Linux <flatpack 1.18.4
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat Enterprise Linux flatpack 1.18.4
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)
- Red Hat Security Advisory RHSA-2026:89849 vom 2026-10-25 access.redhat.com
- Red Hat Security Advisory RHSA-2026:89850 vom 2026-10-25 access.redhat.com
- Red Hat Security Advisory RHSA-2026:89859 vom 2026-10-26 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-89850 vom 2026-10-26 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-89859 vom 2026-10-27 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-89849 vom 2026-10-27 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:89859 vom 2026-10-27 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:89850 vom 2026-10-27 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:89849 vom 2026-10-27 errata.build.resf.org
CVE: CVE-2026-97023, CVE-2026-97024
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.