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CVE-2026-34447

MEDIUM CVSS 3.1: 5.5 EPSS 0.01%
Updated Apr 03, 2026
Open
Parameter Value
CVSS 5.5 (MEDIUM)
Fixed In 1.21.0
Type CWE-61 (UNIX Symlink Following), CWE-22 (Path Traversal)
Vendor Open
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1