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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.

🗓️ 04 Sep 2025 11:33:02Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 4 Views

Path traversal in ONNX 1.17.0 lets attackers overwrite files via crafted external_data.location paths.

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23 May 2026 08:40Current
7High risk
Vulners AI Score7
CVSS 3.18.8
EPSS0.00366
SSVC
4