CVE-2026-40992 — Mail Auto-Configuration Does Not Enable SSL Hostname Verification
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.c…
Published: 2026-06-11 · CVSS: 5.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7