Threat landscape
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FasterXML Jackson Databind: Schwachstelle ermöglicht Denial of Service

WID-SEC-2026-3627 · first 29.09.2026 · updated 28.10.2026 · CVSS 5,3

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What it is about

Jackson ist eine quelloffene Bibliothek zur JSON-Verarbeitung in Java. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in FasterXML Jackson Databind 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:

  • 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

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

CVE: CVE-2026-19032

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.

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