Apache Tomcat: Mehrere Schwachstellen
WID-SEC-2026-3527 · first 23.09.2026 · updated 26.10.2026 · CVSS 7,3
What it is about
Apache Tomcat ist ein Web-Applikationsserver für verschiedene Plattformen. Ein Angreifer kann mehrere Schwachstellen in Apache Tomcat ausnutzen, um Sicherheitsvorkehrungen zu umgehen, um einen Denial of Service Angriff durchzuführen und um Daten zu manipulieren.
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
- Sicherheitsvorkehrungen zu umgehen
- einen Denial of Service Angriff durchzuführen
- Daten zu manipulieren
Am I affected?
Affected according to the BSI:
- Amazon Linux 2
- F5 BIG-IP
- SUSE Linux
- SUSE openSUSE
- Apache Tomcat <9.0.122
- Apache Tomcat <10.1.60
- Apache Tomcat <11.0.26
- Open Source Camunda <7.24.16
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Apache Tomcat 9.0.122
- Apache Tomcat 10.1.60
- Apache Tomcat 11.0.26
- Open Source Camunda 7.24.16
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 Release Notes vom 2026-09-22 tomcat.apache.org
- Apache Tomcat Release Notes vom 2026-09-22 tomcat.apache.org
- Apache Tomcat Release Notes vom 2026-09-22 tomcat.apache.org
- openSUSE Security Update OPENSUSE-SU-2026:21984-1 vom 2026-10-01 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:23985-1 vom 2026-10-05 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4544-1 vom 2026-10-06 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4546-1 vom 2026-10-06 lists.suse.com
- F5 Security Advisory K000163606 vom 2026-10-08 my.f5.com
- Camunda Security Notice 171 vom 2026-10-09 docs.camunda.org
- Amazon Linux Security Advisory ALAS2TOMCAT9-2026-029 vom 2026-10-13 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2-2026-4019 vom 2026-10-25 alas.aws.amazon.com
CVE: CVE-2026-73581, CVE-2026-75973, CVE-2026-76183, CVE-2026-77756, CVE-2026-77762, CVE-2026-77791, CVE-2026-78383, CVE-2026-78437, CVE-2026-79677, CVE-2026-86248, CVE-2026-86350, CVE-2026-87022
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.