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refac/security: ollama model upload path traversal

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This commit is contained in:
Timothy Jaeryang Baek 2025-05-14 15:17:07 +04:00
parent a9c22bffc9
commit 3c4accaeb3
1 changed files with 6 additions and 4 deletions
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10
backend/open_webui/routers/ollama.py
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@ -1585,7 +1585,9 @@ async def upload_model(
if url_idx is None:
url_idx = 0
ollama_url = request.app.state.config.OLLAMA_BASE_URLS[url_idx]
file_path = os.path.join(UPLOAD_DIR, file.filename)
filename = os.path.basename(file.filename)
file_path = os.path.join(UPLOAD_DIR, filename)
os.makedirs(UPLOAD_DIR, exist_ok=True)
# --- P1: save file locally ---
@ -1630,13 +1632,13 @@ async def upload_model(
os.remove(file_path)
# Create model in ollama
model_name, ext = os.path.splitext(file.filename)
model_name, ext = os.path.splitext(filename)
log.info(f"Created Model: {model_name}") # DEBUG
create_payload = {
"model": model_name,
# Reference the file by its original name => the uploaded blob's digest
"files": {file.filename: f"sha256:{file_hash}"},
"files": {filename: f"sha256:{file_hash}"},
}
log.info(f"Model Payload: {create_payload}") # DEBUG
@ -1653,7 +1655,7 @@ async def upload_model(
done_msg = {
"done": True,
"blob": f"sha256:{file_hash}",
"name": file.filename,
"name": filename,
"model_created": model_name,
}
yield f"data: {json.dumps(done_msg)}\n\n"