CVE-2026-34446

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

4.7 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N                                    

Vulnerability Description

Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is an issue in onnx.load, the code checks for symlinks to prevent path traversal, but completely misses hardlinks because a hardlink looks exactly like a regular file on the filesystem. This issue has been patched in version 1.21.0.

Vulnerability Details

Published Date

April 01, 2026

Last Modified

April 03, 2026

CWE ID

CWE-22

Source

NVD

Vendor

onnx

Product

onnx

External References

https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb
https://github.com/onnx/onnx/security/advisories/GHSA-cmw6-hcpp-c6jp

CVE-2026-34446

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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