{"action":"Upgrade onnx to 1.21.0 or later.","affected":[{"fixed":"1.21.0","introduced":"0"}],"component":"onnx","cve_ids":["CVE-2026-34446"],"ecosystem":"PyPI","epss":0.00176,"exploited":false,"fixed_versions":["1.21.0"],"ghsa_id":"GHSA-cmw6-hcpp-c6jp","id":"tcs_01M5KFDC66BN9QH7NFQJPADN1N","modified_at":"2026-09-10T03:50:43.899271555Z","published_at":"2026-04-01T21:13:37Z","references":["https://osv.dev/vulnerability/GHSA-cmw6-hcpp-c6jp","https://github.com/onnx/onnx/security/advisories/GHSA-cmw6-hcpp-c6jp","https://nvd.nist.gov/vuln/detail/CVE-2026-34446","https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb","https://github.com/onnx/onnx"],"severity":{"label":"medium","score":4.7},"sources":[{"source":"osv","source_id":"GHSA-cmw6-hcpp-c6jp","url":"https://osv.dev/vulnerability/GHSA-cmw6-hcpp-c6jp"}],"summary":"ONNX: Arbitrary File Read via ExternalData Hardlink Bypass in ONNX load"}