AIKIDO-2026-10586
spring-boot-elasticsearch is vulnerable to Improper Certificate Validation
50
Medium Risk
This Affects:
spring-boot-elasticsearchTL;DR
Affected versions of this package are vulnerable to improper validation of certificate hostnames in Elasticsearch auto-configuration when using an SSL bundle, causing TLS connections to trust certificates without verifying they match the intended server hostname. This can enable machine-in-the-middle attacks against Elasticsearch traffic.
Who does this affect?
You are affected if using a vulnerable version and you are connecting to Elasticsearch.
Background info
spring-boot-elasticsearch is vulnerable to Improper Certificate Validation in versions 4.0.0 - 4.0.5.
How to fix this
Upgrade the org.springframework.boot:spring-boot-elasticsearch library to the patch version.
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