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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👁 23 Views

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

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Detection
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Family
ibm
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Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a Path Traversal in ONNX [CVE-2025-51480]
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22 Jul 202500:00
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cve
CVE
CVE-2025-51480
22 Jul 202500:00
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cvelist
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euvd
EUVD
EUVD-2025-22338
3 Oct 202520:07
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mend
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nvd
NVD
CVE-2025-51480
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osv
OSV
AZL-65658 CVE-2025-51480 affecting package pytorch for versions less than 2.2.2-15
22 Jul 202516:15
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22 Sep 2026 21:47Current
7High risk
Vulners AI Score7
CVSS 3.18.8
EPSS0.00602
SSVC
23