CVE-2026-40992

medium

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-06-11

Updated: 2026-06-11

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:A/AC:H/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 5

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