CVE-2026-97209 | elixir-lang Elixir 1.20.0-rc.4/1.20.4 Partitioned Dependency Compilation deps.partition.ex Mix.Tasks.Deps.Partition.server temp file

October 30, 2026 Yanac

A vulnerability, which was classified as problematic, was found in elixir-lang Elixir 1.20.0-rc.4/1.20.4. This impacts the function Mix.Tasks.Deps.Partition.server of the file lib/mix/lib/mix/tasks/deps.partition.ex of the component Partitioned Dependency Compilation. The manipulation results in insecure temporary file.

This vulnerability is identified as CVE-2026-97209. The attack is only possible with local access. There is not any exploit available.

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