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CVE-2026-34447

CVE-2026-34447 · ONNX: External Data Symlink Traversal

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.5 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system · python

Affected products and versions

  • onnx

    Versions
    • < 1.21.0: Affected

    No fix published

  • onnx Debian:12

    Versions
    • 1.12.0-2
    • 1.13.1-1
    • 1.13.1-2
    • 1.13.1-3
    • 1.14.1-1
    • 1.14.1-2
    • 1.14.1-2.1
    • 1.14.1-2.1~exp1
    • 1.16.1-1
    • 1.16.2-1
    • 1.17.0-1
    • 1.17.0-2
    • 1.17.0-3
    • 1.19.1-1~exp1
    • 1.20.0-1
    • 1.20.0-1~exp1
    • 1.20.0-3
    • 1.20.0-4
    • 1.20.0-5
    • 1.20.0-6
    • 1.21.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Debian:13

    Versions
    • 1.17.0-3
    • 1.19.1-1~exp1
    • 1.20.0-1
    • 1.20.0-1~exp1
    • 1.20.0-3
    • 1.20.0-4
    • 1.20.0-5
    • 1.20.0-6
    • 1.21.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Debian:14

    Versions
    • 1.17.0-3
    • 1.19.1-1~exp1
    • 1.20.0-1
    • 1.20.0-1~exp1
    • 1.20.0-3
    • 1.20.0-4
    • 1.20.0-5
    • 1.20.0-6
    • 1.21.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx PyPI

    Versions
    • 0.1
    • 0.2
    • 0.2.1
    • 1.0.0
    • 1.0.1
    • 1.1.0
    • 1.1.1
    • 1.1.2
    • 1.10.0
    • 1.10.1
    • 1.10.2
    • 1.11.0
    • 1.12.0
    • 1.13.0
    • 1.13.1
    • 1.14.0
    • 1.14.1
    • 1.15.0
    • 1.16.0
    • 1.16.1
    • 1.16.2
    • 1.17.0
    • 1.18.0
    • 1.19.0
    • 1.19.1
    • 1.19.1rc1
    • 1.2.1
    • 1.2.2
    • 1.2.3
    • 1.20.0
    • 1.20.0rc1
    • 1.20.0rc2
    • 1.20.1
    • 1.20.1rc1
    • 1.21.0rc1
    • 1.21.0rc2
    • 1.21.0rc3
    • 1.21.0rc4
    • 1.3.0
    • 1.4.0
    • 1.4.1
    • 1.5.0
    • 1.6.0
    • 1.7.0
    • 1.8.0
    • 1.8.1
    • 1.9.0
    Affected ranges
    • ECOSYSTEM: < 1.21.0

    Update to 1.21.0

  • onnx Ubuntu:22.04:LTS

    Versions
    • 1.7.0+dfsg-3build1
    • 1.7.0+dfsg-3build2
    • 1.7.0+dfsg-3ubuntu1
    • 1.7.0+dfsg-3ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Ubuntu:Pro:24.04:LTS

    Versions
    • 1.13.1-3
    • 1.13.1-3build1
    • 1.14.1-2
    • 1.14.1-2.1
    • 1.14.1-2.1build1
    • 1.14.1-2.1build2
    • 1.14.1-2.1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Ubuntu:25.10

    Versions
    • 1.17.0-3build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Ubuntu:26.10

    Versions
    • 1.20.0-1
    • 1.20.0-6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • onnx Ubuntu:26.04:LTS

    Versions
    • 1.17.0-3build1
    • 1.20.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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