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VMware Tanzu Spring Framework: Mehrere Schwachstellen ermöglichen Denial of Service

WID-SEC-2026-1177 · first 20.04.2026 · updated 08.06.2026 · CVSS 6,5

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What it is about

Das Spring Framework bietet ein Entwicklungsmodell für Java mit Infrastrukturunterstützung auf Anwendungsebene. Ein Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Framework ausnutzen, um einen Denial of Service 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 Denial of Service Angriff durchzuführen

Am I affected?

Affected according to the BSI:

  • IBM Sterling Connect:Direct
  • VMware Tanzu Spring Framework <6.2.18
  • VMware Tanzu Spring Framework <7.0.7
  • VMware Tanzu Spring Framework <6.1.27
  • VMware Tanzu Spring Framework <5.3.48
  • RealObjects PDFreactor <12.6.0

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • VMware Tanzu Spring Framework 6.2.18
  • VMware Tanzu Spring Framework 7.0.7
  • VMware Tanzu Spring Framework 6.1.27
  • VMware Tanzu Spring Framework 5.3.48
  • RealObjects PDFreactor 12.6.0

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-2026-22740, CVE-2026-22741, CVE-2026-22745

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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