Eclipse Jetty: Schwachstelle ermöglicht Darstellen falscher Informationen und Offenlegung
WID-SEC-2026-3434 · first 17.09.2026 · updated 22.10.2026 · CVSS 8,2
What it is about
Eclipse Jetty ist ein Java-HTTP-Server und Java-Servlet-Container. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Eclipse Jetty ausnutzen, um falsche Informationen darzustellen und Informationen offenzulegen.
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
- falsche Informationen darzustellen
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- IBM SPSS Modeler
- IBM App Connect Enterprise
- Eclipse Jetty <12.1.12
- Eclipse Jetty <12.0.38
- Eclipse Jetty <11.0.32
- Eclipse Jetty <10.0.32
- Eclipse Jetty <9.4.64
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Eclipse Jetty 12.1.12
- Eclipse Jetty 12.0.38
- Eclipse Jetty 11.0.32
- Eclipse Jetty 10.0.32
- Eclipse Jetty 9.4.64
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-xc35-c22g-239h vom 2026-09-16 github.com
- IBM Security Bulletin 7291418 vom 2026-10-06 www.ibm.com
- IBM Security Bulletin 7291783 vom 2026-10-09 www.ibm.com
- Red Hat Security Advisory RHSA-2026:83670 vom 2026-10-16 access.redhat.com
- Red Hat Security Advisory RHSA-2026:88150 vom 2026-10-22 access.redhat.com
CVE: CVE-2026-19203
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.