CVE-2026-40970 in Spring Boot

Sumário

de MITRE • 27/04/2026

When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server.

Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory.

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• Responsável: Vmware
• Reservar: 16/04/2026
• Divulgação: 27/04/2026
• Moderação: aceite
• Entrada: VDB-359873
• CPE: pronto
• CWE: CWE-295 (confirmado)
• CVSS: 6.8 (NVD)
• EPSS: 0.00029
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-40970
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40970
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-40970/