{"action":"Upgrade onnx to 1.21.0 or later.","affected":[{"fixed":"1.21.0","introduced":"0"}],"component":"onnx","cve_ids":["CVE-2026-49114"],"ecosystem":"PyPI","epss":0.00159,"exploited":false,"fixed_versions":["1.21.0"],"ghsa_id":"GHSA-q56x-g2fj-4rj6","id":"tcs_01M5KH8APWK63287RVXWV1DTCH","modified_at":"2026-09-10T12:15:09.122031495Z","published_at":"2026-09-10T09:44:49.479292Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3876","https://github.com/onnx/onnx/security/advisories/GHSA-q56x-g2fj-4rj6","https://nvd.nist.gov/vuln/detail/CVE-2026-49114","https://github.com/onnx/onnx","https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-233-01.json","https://pypi.org/project/onnx","https://github.com/advisories/GHSA-q56x-g2fj-4rj6"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-3876","url":"https://osv.dev/vulnerability/PYSEC-2026-3876"}],"summary":"ONNX: TOCTOU arbitrary file read/write in save_external_dat"}