CVE-2026-27489
ONNX: Path Traversal via Symlink
- State
- Published
- Severity
- 8.7 High
- Published
- Apr 1, 2026
- Updated
- Jul 15, 2026
- Reserved
- Feb 19, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | GitHub_M |
| 3.1 | 8.6 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
onnxonnx |
|
References
- https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73
- https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb
- https://access.redhat.com/security/cve/CVE-2026-27489vdb-entry
- RHBZ#2453929issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json
- https://access.redhat.com/errata/RHSA-2026:24977vendor-advisory
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