Red Hat OpenStack (keystonemiddleware): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und potenziell Privilegieneskalation
WID-SEC-2026-0149 · first 20.01.2026 · updated 19.03.2026 · CVSS 9,9
What it is about
Red Hat OpenStack ist eine Sammlung von Diensten, um Cloud-Computing in Form von Infrastructure as a Service (IaaS) bereitstellen zu können. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Red Hat OpenStack ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und potenziell um seine Privilegien zu erhöhen.
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
- potenziell um seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Red Hat Enterprise Linux
- Ubuntu Linux
- SUSE openSUSE
- Red Hat OpenStack keystonemiddleware <10.9.1
- Red Hat OpenStack keystonemiddleware <10.7.2
- Red Hat OpenStack keystonemiddleware <10.12.1
- Red Hat OpenShift Container Platform <4.20.16
- Red Hat OpenShift Container Platform <4.19.26
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat OpenStack keystonemiddleware 10.9.1
- Red Hat OpenStack keystonemiddleware 10.7.2
- Red Hat OpenStack keystonemiddleware 10.12.1
- Red Hat OpenShift Container Platform 4.20.16
- Red Hat OpenShift Container Platform 4.19.26
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)
- GitHub Advisory Database vom 2026-01-19 github.com
- EU Advisory Database vom 2026-01-19 euvd.enisa.europa.eu
- Debian Security Advisory DSA-6104 vom 2026-01-20 lists.debian.org
- openSUSE Security Update OPENSUSE-SU-2026:10070-1 vom 2026-01-20 lists.opensuse.org
- Ubuntu Security Notice USN-8008-1 vom 2026-02-03 ubuntu.com
- Red Hat Security Advisory RHSA-2026:3402 vom 2026-03-03 access.redhat.com
- Red Hat Security Advisory RHSA-2026:3855 vom 2026-03-11 access.redhat.com
- Red Hat Security Advisory RHSA-2026:4434 vom 2026-03-18 access.redhat.com
CVE: CVE-2026-22797
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.