high7.5
CVE-2026-27489
Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability.
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | onnx | <= 1.20.0 | 1.21.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linuxfoundation | Onnx | before 1.21.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-3r9x-f23j-gc73
- https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73
- https://nvd.nist.gov/vuln/detail/CVE-2026-27489
- https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb
- https://access.redhat.com/errata/RHSA-2026:24977
- https://access.redhat.com/security/cve/CVE-2026-27489
- https://bugzilla.redhat.com/show_bug.cgi?id=2453929
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json