CVE-2026-34447
Medium · 5.5CVSS
5.5
EPSS
0.2%
Published
Apr 1, 2026
CISA due date
—
The record
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 | Introduced | Fixed |
|---|---|---|---|
| Chainguard | py3.10-onnx | 0 | 1.21.0-r0 |
| Chainguard | py3.11-onnx | 0 | 1.21.0-r0 |
| Chainguard | py3.12-onnx | 0 | 1.21.0-r0 |
| Chainguard | py3.13-onnx | 0 | 1.21.0-r0 |
| Wolfi | py3.10-onnx | 0 | 1.21.0-r0 |
| Wolfi | py3.11-onnx | 0 | 1.21.0-r0 |
| Wolfi | py3.12-onnx | 0 | 1.21.0-r0 |
| Wolfi | py3.13-onnx | 0 | 1.21.0-r0 |
Related vulnerabilities
- CVE-2026-34446 Open Neural Network Exchange (ONNX) is an open standard for machine learning… Also affects py3.10-onnx
- CVE-2026-34445 Open Neural Network Exchange (ONNX) is an open standard for machine learning… Also affects py3.10-onnx
- CVE-2026-28500 Open Neural Network Exchange (ONNX) is an open standard for machine learning… Also affects py3.10-onnx
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