CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NCVE-2026-34447
Medium (5.5) in linuxfoundation onnx. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in onnx 1.21.0.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-22, CWE-61
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linuxfoundation:onnx
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-p433-9wv8-28xj | PyPI | onnx | <1.21.0 | 1.21.0 |
| PYSEC-2026-104 | PyPI | onnx | <1.21.0 | 1.21.0 |