Question 1

What is the EOL Risk Score for ESLint 9?

Accepted Answer

ESLint 9 has an EOL Risk Score™ of 25 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (15/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is ESLint 9 still supported?

Accepted Answer

ESLint 9 is currently supported. End of life is scheduled for August 6, 2026. Plan your migration before that date to avoid security risk.

Question 3

When does ESLint 9 reach end of life?

Accepted Answer

ESLint 9 reached (or will reach) end of life on August 6, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running ESLint 9 after end of life?

Accepted Answer

After end of life, ESLint 9 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.