CVE-2026-27489
ONNX: Path Traversal via Symlink
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-23 CWE-61 |
| Vendor | onnx |
| Product | onnx |
| Published | Apr 1, 2026 |
| Last Updated | Jul 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for onnx onnx
Be the first to know when new high vulnerabilities affecting onnx onnx are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
onnx / onnx
< 1.21.0
References
github.com: https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73 github.com: https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-27489 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2453929 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json access.redhat.com: https://access.redhat.com/errata/RHSA-2026:24977