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

Summary 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:...

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,...

CVE-2026-32689

CVE-2026-32689 affects Phoenix (Elixir) LongPoll transport: in Elixir.Phoenix.Transports.LongPoll publish/4, a POST with Content-Type: application/x-ndjson is split by newline without a limit, turning a small payload into enormous lists of empty binaries and a second large list via Enum.map, caus...