Path Traversal in Onnx

CVE-2026-27489

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. Thi…

EPSS: 0.000 (9.5th percentile) — read the EPSS interpretation.

Affected products

Onnx — versions < 1.21.0

Weakness classification (CWE)

References

https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73 (x_refsource_CONFIRM)
https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb (x_refsource_MISC)