ONNX: Path Traversal via Symlink
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.6%
exploitation probability
0.6%top 55% of all CVEs
observed exploitation
nono source reports it
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.
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
Affected products
onnx · onnxReferences
https://access.redhat.com/errata/RHSA-2026:24977https://access.redhat.com/security/cve/CVE-2026-27489https://bugzilla.redhat.com/show_bug.cgi?id=2453929https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cbhttps://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json