CVE-2026-27489: onnx Vulnerable to Path Traversal via Symlink

March 31, 2026 (updated April 6, 2026)

A path traversal vulnerability via symlink allows to read arbitrary files outside model or user-provided directory.

References

github.com/advisories/GHSA-3r9x-f23j-gc73
github.com/onnx/onnx
github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb
github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73
nvd.nist.gov/vuln/detail/CVE-2026-27489

Code Behaviors & Features

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