Question 1

What is the EOL Risk Score for Bitcoin Core 28?

Accepted Answer

Bitcoin Core 28 has an EOL Risk Score™ of 35 out of 100, placing it in the Medium risk band. The score is calculated from four factors: EOL Recency (25/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Bitcoin Core 28 still supported?

Accepted Answer

Bitcoin Core 28 is no longer supported — it has passed its end of life date (April 19, 2026). No further security patches will be issued. Upgrade to a supported version or obtain extended lifecycle support.

Question 3

When does Bitcoin Core 28 reach end of life?

Accepted Answer

Bitcoin Core 28 reached (or will reach) end of life on April 19, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Bitcoin Core 28 after end of life?

Accepted Answer

After end of life, Bitcoin Core 28 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.