CVE-2026-40970

MEDIUM

5.0

Description

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.

CVE Details

CVSS v3.1 Score5.0

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorADJACENT_NETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/27/2026

Last Modified4/27/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-295

References

https://spring.io/security/cve-2026-40970(security@vmware.com)

IOC Correlations

No correlations recorded

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