CVE-2026-34447
mediumOpen Neural Network Exchange (ONNX) is an open standard for machine learning interoperability.
Vendor / product: Linuxfoundation — onnx
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.
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Severity source: NVD CVSS v3.1 (security-advisories@github.com)
Timeline (UTC)
Published: 2026-04-01 18:16
Modified: 2026-11-11 23:10
NVD status: Analyzed
Last synced 3 hours ago
Verified against the source API 2026-11-11 23:12 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linuxfoundation / onnx <1.21.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj
References
- https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-11 23:12 UTC · record ↗