Medium severity5.5NVD Advisory· Published Apr 1, 2026· Updated Apr 15, 2026
CVE-2026-34447
CVE-2026-34447
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
onnxPyPI | < 1.21.0 | 1.21.0 |
Affected products
10- osv-coords9 versionspkg:apk/chainguard/py3.10-onnxpkg:apk/chainguard/py3.11-onnxpkg:apk/chainguard/py3.12-onnxpkg:apk/chainguard/py3.13-onnxpkg:apk/wolfi/py3.10-onnxpkg:apk/wolfi/py3.11-onnxpkg:apk/wolfi/py3.12-onnxpkg:apk/wolfi/py3.13-onnxpkg:pypi/onnx
< 1.21.0-r0+ 8 more
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0-r0
- (no CPE)range: < 1.21.0
Patches
Vulnerability mechanics
References
4- github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xjnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-p433-9wv8-28xjghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-34447ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/onnx/PYSEC-2026-104.yamlghsaWEB
News mentions
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