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...

CVE-2026-40992

CVE-2026-40992 concerns Spring Boot's Mail auto-configuration not enabling hostname verification by default. Affected: Spring Boot 4.0.0–4.0.6; 3.5.0–3.5.14; 3.4.0–3.4.16. The issue: hostname verification is not enabled; applications that explicitly set spring.mail.properties.mail.smtp.ssl.checks...

PT-2026-48616

Name of the Vulnerable Software and Affected Versions Spring Boot versions 4.0.0 through 4.0.6 Spring Boot versions 3.5.0 through 3.5.14 Spring Boot versions 3.4.0 through 3.4.16 Description Mail auto-configuration does not enable hostname verification, which is the process of verifying that the...

Open redirect

The backend in Open-Xchange OX AppSuite 7.4.2 before 7.4.2-rev9 allows remote attackers to obtain sensitive information about user email addresses in opportunistic circumstances by leveraging a failure in e-mail auto configuration for external accounts...