spring-projects/spring-boot · Security
Spring Boot's Mail Auto-Configuration Does Not Enable SSL Hostname Verification
- GHSA ID
- GHSA-9wxp-w4px-32vh
- CVE ID
- CVE-2026-40992
- Severity
- medium
- Published
- Updated
- CVSS
- 5 · CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS v3
- 5 · CVSS: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.
CWEs
- CWE-295 · Improper Certificate Validation