FasterXML Jackson: Schwachstelle ermöglicht nicht spezifizierten Angriff
WID-SEC-2026-3147 · first 02.09.2026 · updated 29.10.2026 · CVSS 5,6
What it is about
Jackson ist eine quelloffene Bibliothek zur JSON-Verarbeitung in Java. Ein Angreifer kann eine Schwachstelle in FasterXML Jackson ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
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
- einen nicht näher spezifizierten Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Fedora Linux
- IBM SPSS Modeler
- SUSE Linux
- SUSE openSUSE
- FasterXML Jackson Databind <2.18.10
- FasterXML Jackson Databind <2.21.6
- FasterXML Jackson Databind <2.22.2
- FasterXML Jackson Databind <3.1.6
- FasterXML Jackson Databind <3.2.2
- IBM App Connect Enterprise 13.0.1.0-13.0.8.2
- IBM App Connect Enterprise 12.0.1.0-12.0.12.29
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- FasterXML Jackson Databind 2.18.10
- FasterXML Jackson Databind 2.21.6
- FasterXML Jackson Databind 2.22.2
- FasterXML Jackson Databind 3.1.6
- FasterXML Jackson Databind 3.2.2
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)
- FasterXML Security Advisory vom 2026-09-01 github.com
- CSH Vulnerability Database vom 2026-09-01 www.cybersecurity-help.cz
- IBM Security Bulletin 7289918 vom 2026-09-29 www.ibm.com
- SUSE Security Update SUSE-SU-2026:4394-1 vom 2026-09-29 lists.suse.com
- openSUSE Security Update OPENSUSE-SU-2026:11877-1 vom 2026-09-29 lists.opensuse.org
- IBM Security Bulletin 7292451 vom 2026-10-14 www.ibm.com
- Red Hat Security Advisory RHSA-2026:83520 vom 2026-10-15 access.redhat.com
- Red Hat Security Advisory RHSA-2026:83082 vom 2026-10-15 access.redhat.com
- Fedora Security Advisory FEDORA-2026-F20C4144A2 vom 2026-10-28 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-36BC6490A3 vom 2026-10-27 bodhi.fedoraproject.org
CVE: CVE-2026-83557
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.