Red Hat Enterprise Linux (lxml): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2026-3292 · first 10.09.2026 · updated 14.10.2026 · CVSS 8,2
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
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
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Red Hat Enterprise Linux
- IBM QRadar SIEM
- RESF Rocky Linux
- Ubuntu Linux
- Oracle Linux
- 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
- Original BSI advisory (WID)
- Red Hat Security Advisory RHSA-2026:66203 vom 2026-09-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:66204 vom 2026-09-09 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-66204 vom 2026-09-10 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-66203 vom 2026-09-11 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:66203 vom 2026-09-11 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:66204 vom 2026-09-11 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:67325 vom 2026-09-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:67324 vom 2026-09-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:67326 vom 2026-09-14 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:67943 vom 2026-09-17 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:71179 vom 2026-09-24 access.redhat.com
- Red Hat Security Advisory RHSA-2026:71192 vom 2026-09-24 access.redhat.com
- Red Hat Security Advisory RHSA-2026:71210 vom 2026-09-24 access.redhat.com
- Debian Security Advisory DLA-4799 vom 2026-09-29 lists.debian.org
- Red Hat Security Advisory RHSA-2026:74081 vom 2026-09-30 access.redhat.com
- Red Hat Security Advisory RHSA-2026:74082 vom 2026-09-30 access.redhat.com
- Red Hat Security Advisory RHSA-2026:74506 vom 2026-10-02 access.redhat.com
- Red Hat Security Advisory RHSA-2026:74505 vom 2026-10-02 access.redhat.com
- Red Hat Security Advisory RHSA-2026:77656 vom 2026-10-07 access.redhat.com
- Red Hat Security Advisory RHSA-2026:79546 vom 2026-10-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:79366 vom 2026-10-08 access.redhat.com
- Ubuntu Security Notice USN-8897-1 vom 2026-10-08 ubuntu.com
- Red Hat Security Advisory RHSA-2026:81110 vom 2026-10-12 access.redhat.com
- IBM Security Bulletin 7292240 vom 2026-10-13 www.ibm.com
CVE: CVE-2026-49825
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.