Path Traversal in Linuxfoundation Onnx

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (44.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-51480?
CVE-2025-51480 is a high-severity vulnerability in Linuxfoundation Onnx, classified under Path Traversal. CVSS score: 8.8/10. Published 2025-07-22.
How severe is CVE-2025-51480?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-51480 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.