Apache Tomcat: Mehrere Schwachstellen
WID-SEC-2026-3007 · first 26.08.2026 · updated 08.10.2026 · CVSS 9,8
What it is about
Apache Tomcat ist ein Web-Applikationsserver für verschiedene Plattformen. Ein Angreifer kann mehrere Schwachstellen in Apache Tomcat ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Berechtigungen zu erweitern, Daten zu manipulieren oder offenzulegen oder Denial-of-Service-Zustände zu verursachen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsmaßnahmen zu umgehen
- Berechtigungen zu erweitern
- Daten zu manipulieren oder offenzulegen oder Denial-of-Service-Zustände zu verursachen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- SUSE Linux
- SUSE openSUSE
- Apache Tomcat <9.0.121
- Apache Tomcat <11.0.25
- Apache Tomcat <10.1.59
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Apache Tomcat 9.0.121
- Apache Tomcat 11.0.25
- Apache Tomcat 10.1.59
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)
- Apache Tomcat 9.0.121 Security Advisory vom 2026-08-25 tomcat.apache.org
- Apache Tomcat 10.1.59 Security Advisory vom 2026-08-25 tomcat.apache.org
- Apache Tomcat 11.0.25 Security Advisory vom 2026-08-25 tomcat.apache.org
- Red Hat Security Advisory RHSA-2026:63137 vom 2026-09-03 access.redhat.com
- SUSE Security Update SUSE-SU-2026:4114-1 vom 2026-09-14 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4119-1 vom 2026-09-14 lists.suse.com
- openSUSE Security Update OPENSUSE-SU-2026:11761-1 vom 2026-09-14 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:4126-1 vom 2026-09-15 lists.suse.com
- openSUSE Security Update OPENSUSE-SU-2026:11759-1 vom 2026-09-14 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:23690-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23691-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23700-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23710-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23711-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23720-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4203-1 vom 2026-09-16 lists.suse.com
- Red Hat Security Advisory RHSA-2026:73982 vom 2026-10-01 access.redhat.com
- Red Hat Security Advisory RHSA-2026:73981 vom 2026-10-02 access.redhat.com
- Red Hat Security Advisory RHSA-2026:76952 vom 2026-10-07 access.redhat.com
- Red Hat Security Advisory RHSA-2026:76956 vom 2026-10-07 access.redhat.com
CVE: CVE-2026-65182, CVE-2026-65183, CVE-2026-65637, CVE-2026-65905, CVE-2026-65927, CVE-2026-66422, CVE-2026-68525, CVE-2026-68569, CVE-2026-68763, CVE-2026-73180
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.