A path traversal vulnerability in the `/set_personality_config` endpoint of parisneo/lollms version 9.4.0 allows an attacker to overwrite the `configs/config.yaml` file. This can lead to remote code execution by changing server configuration properties such as `force_accept_remote_access` and `turn_on_code_validation`.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.