Medium5.0VMware (Broadcom)

Medium [CVE-2026-40992] Spring Boot: Spring Boot's Mail auto-configuration does not enable hostname verification.

This medium-severity VMware (Broadcom) advisory covers CVE-2026-40992 affecting Spring Boot.

CVE-2026-40992 Published Jun 11, 2026Updated by vendor Jul 23, 2026

CVE-2026-40992

Affected products & platforms

VMware (Broadcom)Tanzu / Spring

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Summary

Spring Boot's Mail auto-configuration does not enable hostname verification. Applications that set the relevant JavaMail property, such as spring.mail.properties.mail.smtp.ssl.checkserveridentity=true, are not affected.

Affected versions

4.0.0
4.0.6
3.5.0
3.5.14
3.4.0
3.4.16

NVD record · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

NVD record · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Spring Boot's Mail auto-configuration does not enable hostname verification.

NVD record · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

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