Mail Auto-Configuration Does Not Enable SSL Hostname Verification_CVE-2026-40992

5 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2026-40992

Source vmware

Published Jun 11, 2026 at 05:03

Affected Product

Vendor Spring

Product Spring Boot

Version 4.0.0

Affected Versions Spring Spring Boot 4.0.0
Spring Spring Boot 3.5.0
Spring Spring Boot 3.4.0

CWE Classification

CWE-295

References

spring.io /security/cve-2026-40992

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    "published": "2026-06-11T05:03:53.539Z",
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