Red Hat WildFly: Schwachstelle ermöglicht Denial of Service
WID-SEC-2026-2802 · first 13.08.2026 · updated 23.09.2026 · CVSS 7,5
What it is about
Der WildFly Application Server ist ein Anwendungsserver nach dem Jakarta-EE-Standard. JBoss Enterprise Application Platform ist eine skalierbare Plattform für Java-Anwendungen, inklusive JBoss Application Server, JBoss Hibernate und Boss Seam. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat WildFly und Red Hat JBoss Enterprise Application Platform ausnutzen, um einen Denial of Service Angriff durchzuführen.
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
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Red Hat WildFly
- Red Hat JBoss Enterprise Application Platform <7.4.25
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat JBoss Enterprise Application Platform 7.4.25
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 Security Advisory GHSA-h33j-vrhg-4q7j vom 2026-08-12 github.com
- Red Hat Errata RHSA-2026:53806 vom 2026-08-11 access.redhat.com
- RedHat Security Advisory CVE-2026-15567 vom 2026-08-11 access.redhat.com
- Red Hat Security Advisory RHSA-2026:70277 vom 2026-09-22 access.redhat.com
- Red Hat Security Advisory RHSA-2026:70228 vom 2026-09-22 access.redhat.com
CVE: CVE-2026-15567
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.