Question 1

What is the EOL Risk Score for Spring Boot 4.1?

Accepted Answer

Spring Boot 4.1 has an EOL Risk Score™ of 50 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (0/40), Attack Surface (20/30), CISA KEV Exposure (20/20), and Extended Support Availability (10/10).

Question 2

Is Spring Boot 4.1 still supported?

Accepted Answer

Spring Boot 4.1 is currently supported. End of life is scheduled for July 31, 2027. Plan your migration before that date to avoid security risk.

Question 3

When does Spring Boot 4.1 reach end of life?

Accepted Answer

Spring Boot 4.1 reached (or will reach) end of life on July 31, 2027. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Spring Boot 4.1 after end of life?

Accepted Answer

After end of life, Spring Boot 4.1 no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.