{"id":"CVE-2026-27489","summary":"ONNX: Path Traversal via Symlink","details":"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.","aliases":["GHSA-3r9x-f23j-gc73"],"modified":"2026-07-08T08:04:59.250388489Z","published":"2026-04-01T17:33:51.281Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27489.json","cwe_ids":["CWE-23","CWE-61"],"cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27489.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:24977"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-27489"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27489.json"},{"type":"ADVISORY","url":"https://github.com/onnx/onnx/security/advisories/GHSA-3r9x-f23j-gc73"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27489"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453929"},{"type":"FIX","url":"https://github.com/onnx/onnx/commit/4755f8053928dce18a61db8fec71b69c74f786cb"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/onnx/onnx","events":[{"introduced":"0"},{"fixed":"be2b5fde82d9c8874f3d19328bdfe3b6962dc67b"},{"fixed":"4755f8053928dce18a61db8fec71b69c74f786cb"}],"database_specific":{"cpe":"cpe:2.3:a:linuxfoundation:onnx:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.21.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.3.0","v1.1.0","v0.2","v0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27489.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"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"}]}