CVE-2026-27489

EUVD-2026-17969
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, a path traversal vulnerability via symlink allows to read arbitrary files outside model or user-provided directory. This issue has been patched in version 1.21.0.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
linuxfoundationonnx
𝑥
< 1.21.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb
https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73