MEDIUM 4.7 Microsoft

CVE-2026-34446

ONNX: Arbitrary File Read via ExternalData Hardlink Bypass in ONNX load

Microsoft Security Update 2026-Apr: ONNX: Arbitrary File Read via ExternalData Hardlink Bypass in ONNX load

Affected Products

azl3 pytorch 2.2.2-12 on Azure Linux 3.0
cbl2 pytorch 2.0.0-15 on CBL Mariner 2.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34446
https://nvd.nist.gov/vuln/detail/CVE-2026-34446

Published: 2026-04-14 · Source: Microsoft · Feed updated: 2026-08-04

This medium severity vulnerability with a CVSS score of 4.7 was published on 2026-04-14 via Microsoft. Affected: azl3 pytorch 2.2.2-12 on Azure Linux 3.0, cbl2 pytorch 2.0.0-15 on CBL Mariner 2.0.

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