Red Hat OpenShift Service Mesh Containers: Schwachstelle ermöglicht Cross-Site Scripting
WID-SEC-2025-0450 · first 27.02.2025 · updated 16.03.2026 · CVSS 4,5
What it is about
Red Hat OpenShift ist eine "Platform as a Service" (PaaS) Lösung zur Bereitstellung von Applikationen in der Cloud. Ein lokaler Angreifer kann eine Schwachstelle in Red Hat OpenShift Service Mesh Containers ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Cross-Site Scripting Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Fedora Linux
- Red Hat OpenShift Service Mesh Containers <2.5.9
- Dell Secure Connect Gateway <5.34.00.00
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 Service Mesh Containers 2.5.9
- Dell Secure Connect Gateway 5.34.00.00
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 vom 2025-02-26 access.redhat.com
- Red Hat Security Advisory RHSA-2025:2518 vom 2025-03-10 access.redhat.com
- Fedora Security Advisory FEDORA-2025-9E6B55E70B vom 2025-03-25 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2025-381C988800 vom 2025-03-25 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2025-EBD5B65CE8 vom 2025-03-25 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2025-DBEB2C60C3 vom 2025-03-25 bodhi.fedoraproject.org
- Red Hat Security Advisory RHSA-2026:2737 vom 2026-02-16 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2769 vom 2026-02-17 access.redhat.com
- Dell Security Advisory DSA-2026-020 vom 2026-03-16 www.dell.com
CVE: CVE-2025-26791
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.