Disclosure summary
Path Traversal vulnerability in onnx.external_data_helper.save_external_data in ONNX 1.17.0 allows attackers to overwrite arbitrary files by supplying crafted external_data.location paths containing traversal sequences, bypassing intended directory restrictions.
Source-reported weakness categories
CWE-22
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2025-Jul
Open original source · Updated Sep 22, 2026
Path Traversal vulnerability in onnx.external_data_helper.save_external_data in ONNX 1.17.0 allows attackers to overwrite arbitrary files by supplying crafted external_data.location paths containing traversal sequences, bypassing intended directory restrictions.
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 8.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | cbl2 pytorch 2.0.0-11 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-9 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-10 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 pytorch 2.0.0-14 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-12 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-14 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-7 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 pytorch 2.0.0-9 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-11 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 pytorch 2.0.0-12 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 pytorch 2.0.0-15 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 pytorch 2.0.0-15 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 2.2.2-15 · product IDs 21262-17084
- Vendor guidance · product IDs 21262-17084
- Vendor guidance · product IDs 21103-21692
- Vendor guidance · product IDs 21103-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-09-04T00:33:02-04:00
MODIFIED 2026-09-22T10:47:12-04:00
INGESTED 2026-10-08T12:45:47-04:00