CVE-2026-40992

CVSS Score & Metrics

Base Score

5.0 / 10

Vector String

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

Vulnerability Description

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:
Spring Boot 4.0.0 through 4.0.6; 3.5.0 through 3.5.14; 3.4.0 through 3.4.16.

Vulnerability Details

Published Date

June 11, 2026

Last Modified

June 11, 2026

CWE ID

CWE-295

Source

NVD

Vendor

Spring

Product

Spring Boot

External References

https://spring.io/security/cve-2026-40992

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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