{"action":"Upgrade onnx to 1.21.0 or later.","affected":[{"fixed":"1.21.0","introduced":"0"}],"component":"onnx","cve_ids":["CVE-2026-27489"],"ecosystem":"PyPI","epss":0.00616,"exploited":false,"fixed_versions":["1.21.0"],"ghsa_id":"GHSA-3r9x-f23j-gc73","id":"tcs_01M5KGY9BP26R79HSE83DJH4B7","modified_at":"2026-07-13T07:15:50.564001432Z","published_at":"2026-04-01T18:16:28.287Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2239","https://access.redhat.com/security/cve/CVE-2026-27489","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json","https://access.redhat.com/errata/RHSA-2026:24977","https://bugzilla.redhat.com/show_bug.cgi?id=2453929","https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb","https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-2239","url":"https://osv.dev/vulnerability/PYSEC-2026-2239"}],"summary":"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 outsid"}