CVE-2025-51480

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.

CVSS v3.1 CNA

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.63% chance of exploitation in the next 30 days, 49th percentile

Published

2025-07-22

Proof-of-concept exploits (2)

• onnx/onnx/pull/695921589★ · 2026-10-15
• https://www.gecko.security/blog/cve-2025-51480

References

• CVE Record
• NVD entry

Related

• CVE-2022-25882
• CVE-2026-14647