CVE-2026-40992

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.

CVSS v3 5.0 MEDIUM

5.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.4

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://spring.io/security/cve-2026-40992	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:vmware:spring_boot::::::::
	cpe:2.3:a:vmware:spring_boot::::::::
	cpe:2.3:a:vmware:spring_boot::::::::

History

No history.

Information

Published : 2026-06-11 07:16

Updated : 2026-09-04 18:05

NVD link : CVE-2026-40992

Mitre link : CVE-2026-40992

CVE.ORG link : CVE-2026-40992

JSON object : View

Products Affected

vmware

spring_boot

CWE

CWE-295

Improper Certificate Validation

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