VMware Tanzu Spring Boot Critical Remote Vulnerabilities (CVSS 9.1)
Summary
CERT-Bund issued advisory WID-SEC-2026-1263 disclosing multiple critical vulnerabilities in VMware Tanzu Spring Boot affecting versions prior to 3.5.14 and 4.0.6. The vulnerabilities carry a CVSS Base Score of 9.1 (critical) with confirmed remote exploit capability and a CVSS Temporal Score of 7.9 (high). An attacker can exploit these flaws to execute arbitrary code, bypass security measures, manipulate or disclose confidential data, or hijack authenticated users. Patches are available in versions 3.5.14 and 4.0.6.
“Ein Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Boot ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Daten zu manipulieren oder offenzulegen oder authentifizierte Benutzer zu kapern.”
About this source
CERT-Bund is the German federal cybersecurity agency's incident response team, run by the BSI. Their advisory feed publishes vulnerability disclosures and active exploitation warnings for software in widespread enterprise use: VPN appliances, email servers, file transfer products, ERP systems, browsers, hypervisors. Around 280 advisories a month, each with a CVSS score, affected versions, and remediation guidance. The advisories are written in German but cover the same vulnerabilities that show up in CISA, NCSC-UK, and JPCERT bulletins, often hours earlier. Watch this if you patch enterprise software, run a SOC, or write detection rules. GovPing publishes each advisory with the affected vendor, CVSS score, and original CERT-Bund link.
What changed
CERT-Bund published a critical security advisory for VMware Tanzu Spring Boot covering multiple vulnerabilities that allow remote attackers to execute arbitrary code, bypass security measures, manipulate or disclose confidential data, and hijack authenticated users. The CVSS Base Score of 9.1 places this among the most severe vulnerabilities tracked. The affected versions span both the 3.x and 4.x release branches, with fixes available as of the advisory date.\n\nOrganizations running VMware Tanzu Spring Boot on Windows, UNIX, or other platforms must prioritize patching to version 3.5.14 (for 3.x) or 4.0.6 (for 4.x). Given the remote exploitability and breadth of potential impact — including code execution and authentication hijacking — this advisory warrants immediate attention from IT security teams managing affected deployments.
What to do next
- Update VMware Tanzu Spring Boot to version 3.5.14 or later for the 3.x branch
- Update VMware Tanzu Spring Boot to version 4.0.6 or later for the 4.x branch
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
[WID-SEC-2026-1263] VMware Tanzu Spring Boot: Mehrere Schwachstellen CVSS Base Score 9.1 (kritisch) CVSS Temporal Score 7.9 (hoch) Remoteangriff ja Datum 23.04.2026 Stand 24.04.2026 Mitigation ja
Betroffene Systeme
Betriebssystem
- Sonstiges
- UNIX
- Windows
Produktbeschreibung
Spring Boot ist ein Framework zur Entwicklung von Java Anwendungen. Spring Boot basiert auf dem Spring Framework.
Produkte
23.04.2026
- VMware Tanzu Spring Boot <3.5.14
- VMware Tanzu Spring Boot <4.0.6
Angriff
Angriff
Ein Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Boot ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Daten zu manipulieren oder offenzulegen oder authentifizierte Benutzer zu kapern. CVE Informationen Versionshistorie Feedback zum Advisory geben
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