CVE-2026-40970 — Spring / Spring Boot

CVE-2026-40970

Spring / Spring Boot PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Spring / Spring Boot	affected 4.0.0 before 4.0.6

CWE

CWE-295

References

https://spring.io/security/cve-2026-40970

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.