1. Home
  2. CVE Database
  3. CVE-2026-34446
MEDIUM · 4.7

CVE-2026-34446

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 tra...

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.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
LinuxfoundationOnnx< 1.21.0

Related Weaknesses (CWE)

CWE-22CWE-61

References

FAQ

What is CVE-2026-34446?

CVE-2026-34446 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 tra...

How severe is CVE-2026-34446?

CVE-2026-34446 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-34446?

Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Onnx.