VULNERABILITY INTELLIGENCE

CVE-2026-40992

CVSS score5 MEDIUM
EPSS probability0.12%
CISA KEVNot currently listed
Published2026-06-11
Last modified2026-09-04
CVSS vectorCVSS: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.

Weakness classification

  • CWE-295: Improper Certificate Validation

Primary references