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CVE-2026-27489

ONNX: Path Traversal via Symlink PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
onnx / onnxaffected < 1.21.0

CWE

CWE-23, CWE-61

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

redhat-SADP

A flaw was found in Open Neural Network Exchange (ONNX), an open standard for machine learning interoperability. This path traversal vulnerability, exploitable via a symbolic link (symlink), allows an attacker to read arbitrary files located outside of the intended model or user-provided directories. This could lead to unauthorized information disclosure.