CVE-2026-40992

MediumCVSS 5.0/10Last modified Sep 4, 2026

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.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-295

Affected software

No affected versions have been published.

Timeline

Published: Jun 11, 2026
Last modified: Sep 4, 2026
NVD status: Analyzed

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