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[GHSA-hhwq-wxfx-cj7g] - @modelcontextprotocol/server-filesystem list_directory_with_sizes follows symlinks and leaks outside-directory file metadata #5258

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[GHSA-hhwq-wxfx-cj7g] - @modelcontextprotocol/server-filesystem list_directory_with_sizes follows symlinks and leaks outside-directory file metadata#5258
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cliffhall
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bugSomething isn't workingserver-filesystemReference implementation for the Filesystem MCP server - src/filesystemv2
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v2.1.0

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@cliffhall
cliffhall
opened on Oct 25, 2026

Advisory: GHSA-hhwq-wxfx-cj7g (published)

Fixed by #5234 in @modelcontextprotocol/server-filesystem 2.0.1, released in v2.1.0.

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  1. cliffhall
    added
    v2
    bugSomething isn't working
    server-filesystemReference implementation for the Filesystem MCP server - src/filesystem
    on Oct 25, 2026
  2. cliffhall
    added this to the v2.1.0 milestone on Oct 25, 2026
  3. cliffhall
    closed this as completedon Oct 25, 2026
  4. cliffhall
    self-assigned this
    on Oct 25, 2026
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