cve.bz

CVE-2025-51480

8.8 highEPSS 0.7%

High (8.8) in linuxfoundation onnx. EPSS 0.7% chance of exploitation in the next 30 days. Fixed in onnx 1.16.2.

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.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE
CWE-22
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-6rq9-53c3-f7vjPyPIonnx<1.16.21.16.2
PYSEC-2025-148PyPIonnx<=1.17.0no fix published

References

Check your stackJSON