Is CVE-2026-34446 actively exploited?

No active exploitation of CVE-2026-34446 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34446 be exploited remotely?

No. CVE-2026-34446 requires local access to exploit.

What is the CVSS score of CVE-2026-34446?

CVE-2026-34446 has a CVSS score of 4.7 (MEDIUM).

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MEDIUM

CVE-2026-34446

CWE-22Published: April 1, 2026· Updated: Apr 3, 2026

4.7

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-34446 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.7.