CVE-2026-40992

Name: CVE-2026-40992
Creator: NVD / NIST
Published: 2026-06-11T07:16:27.177+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5/10EPSS 0.12%

Last modified Jun 23, 2026

This CVE is reserved or awaiting analysis. Details will appear once published by NVD.

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

5/10

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

EPSS Probability

0.12%

2.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

References

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

Timeline

Published: Jun 11, 2026
Last Modified: Jun 23, 2026
Status: Awaiting Analysis

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Source: NVD / NIST