In version v0.3.8 of open-webui/open-webui, the endpoint /api/pipelines/upload is vulnerable to arbitrary file write and delete due to unsanitized file.filename concatenation with CACHE_DIR. This vulnerability allows attackers to overwrite and delete system files, potentially leading to remote code execution.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| open-webui(PyPI) | 0 | N/A | N/A |
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