CVE-2026-32689 Long-poll NDJSON body splitting causes unbounded memory allocation in Phoenix

Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix allows a denial of service via the long-poll transport's NDJSON body handling. In 'Elixir.Phoenix.Transports.LongPoll':publish/4, when a POST request is received with Content-Type: application/x-ndjson,...

PT-2026-37059

Name of the Vulnerable Software and Affected Versions phoenix versions 1.7.0 through 1.7.21 phoenix version 1.8.6 Description An issue in the long-poll transport's NDJSON body handling allows a denial of service. In the publish/4 function of Elixir.Phoenix.Transports.LongPoll, POST requests with...