Erlang 27 End of Life Date
Erlang 27 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
Erlang 27 was released on May 17, 2024 and support is scheduled to end on May 20, 2027 — a planned supported lifespan of 3 years, in line with the 3 years median for Erlang releases. Its most recent patch is 27.3.4.16, published August 3, 2026.
What does Erlang 27 end of life mean?
When Erlang 27 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Erlang 27 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Erlang 29 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.