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CRITICAL9.1

PYSEC-2026-4009

Path traversal and arbitrary directory deletion/overwrite via agent profile import in local-operator

Quick fix

PYSEC-2026-4009 — local-operator: upgrade to the fixed version with the command below.

pip install --upgrade 'local-operator>=29fc4c68a3ed1d238b8abf6b6a6136a3361416a5'

Details

The `/v1/agents/import` endpoint and `AgentRegistry.import_agent()` in local-operator versions before 0.47.5 trust the `id` field inside `agent.yml` of an uploaded agent profile archive when constructing the destination directory. A crafted `id` containing directory traversal sequences makes `shutil.rmtree` and `shutil.copy2` operate outside the agent registry, allowing an unauthenticated client with network access to the API to recursively delete arbitrary directories and write files with the privileges of the server process. Even without traversal, an imported archive could overwrite or delete existing local agent profiles.

Version 0.47.5 assigns a fresh server-generated identifier to every imported profile, never derives a filesystem path from archive metadata, creates destination directories exclusively, and binds `lop serve` to 127.0.0.1 by default.

Are you affected?

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Affected packages

PyPI/local-operator
Introduced in: 0Fixed in: 29fc4c68a3ed1d238b8abf6b6a6136a3361416a5
Fixpip install --upgrade 'local-operator>=29fc4c68a3ed1d238b8abf6b6a6136a3361416a5'

References