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CVE-2026-40992 (GCVE-0-2026-40992)

Vulnerability from cvelistv5 – Published: 2026-06-11 05:03 – Updated: 2026-06-23 19:46
VLAI
Title
Mail Auto-Configuration Does Not Enable SSL Hostname Verification
Summary
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.
Severity
5 (Medium)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 12:45 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
Spring Spring Boot Affected: 4.0.0 , < 4.0.6.1 (custom)
Affected: 3.5.0 , < 3.5.14.1 (custom)
Affected: 3.4.0 , < 3.4.17 (custom)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

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