CVE-2026-34446: ONNX: Arbitrary File Read via ExternalData Hardlink Bypass in ONNX load
Overview
- Severity
- Medium (CVSS 4.7)
- CVSS Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Apr
- Released
- 2026-04-09
- Last Updated
- 2026-04-17
- EPSS Score
- 0.01% (percentile: 0.2%)
Affected Products (2)
Open Source Software
- azl3 pytorch 2.2.2-12 on Azure Linux 3.0
- cbl2 pytorch 2.0.0-15 on CBL Mariner 2.0
Revision History
- 2026-04-09: Information published.
- 2026-04-17: Information published.