medium5.5
CVE-2026-34447
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability.
Impact
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | onnx | < 1.21.0 | 1.21.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linuxfoundation | Onnx | before 1.21.0 |