{"id":"CVE-2026-34447","summary":"ONNX: External Data Symlink Traversal","details":"Open Neural Network Exchange (ONNX) is an open standard for machine learning interoperability. Prior to version 1.21.0, there is a symlink traversal vulnerability in external data loading allows reading files outside the model directory. This issue has been patched in version 1.21.0.","aliases":["GHSA-p433-9wv8-28xj","PYSEC-2026-104"],"modified":"2026-07-15T01:49:10.769922856Z","published":"2026-04-01T17:39:38.129Z","related":["CGA-r8j8-xfm5-2jxw"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-22","CWE-61"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34447.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34447.json"},{"type":"ADVISORY","url":"https://github.com/onnx/onnx/security/advisories/GHSA-p433-9wv8-28xj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34447"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/onnx/onnx","events":[{"introduced":"0"},{"fixed":"be2b5fde82d9c8874f3d19328bdfe3b6962dc67b"}],"database_specific":{"cpe":"cpe:2.3:a:linuxfoundation:onnx:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.21.0"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["v1.3.0","v1.1.0","v0.2","v0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34447.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}