CVE-2026-34447
ONNX: External Data Symlink Traversal
5.5
MEDIUM
CVSS 3.1
EPSS 0.01%
Description
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.
How to fix CVE-2026-34447
To remediate CVE-2026-34447, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1.21.0 or later
- —upgrade to 1.21.0 or later
Is CVE-2026-34447 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 1.21.0
- from 0, < 1.21.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |