{"id":"CVE-2026-55832","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-55832","generatedAt":"2026-10-28T04:11:54.584Z","title":"Prior to 0.21.17, 0.22.3, and 0.23.2, the tract-onnx crate passes the attacker-controlled external_data location from an ONNX model through onnx/src/tensor.rs get_external_resources and joins the value to the model directory without rejecting absolute…","description":"Tract is a tiny, no-nonsense, self-contained TensorFlow and ONNX inference toolkit. Prior to 0.21.17, 0.22.3, and 0.23.2, the tract-onnx crate passes the attacker-controlled external_data location from an ONNX model through onnx/src/tensor.rs get_external_resources and joins the value to the model directory without rejecting absolute paths or parent directory components. Loading an untrusted model through model_for_path can therefore make onnx/src/data_resolver.rs MmapDataResolver open an arbitrary local file and place the file contents into model tensors or inference output. Attacker-controlled offset and length fields can also select an out-of-range mapping slice and cause a denial of service, but the flaw does not write files or execute code. This issue is fixed in versions 0.21.17, 0.22.3, and 0.23.2.","published":"2026-09-14T18:17:56.000Z","lastModified":"2026-09-30T19:57:08.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L"},"cwe":["CWE-22"],"affected":[],"epss":{"score":0.00194,"percentile":0.08978,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/sonos/tract/commit/5f994bcf3cec9b343830a975fedce177f9190d0f","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/commit/85f4fac23e43d417782e8ed9f9465be8474f5c98","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/commit/8fdacbd7abe4e6f929cadfe52e7f69e2227c0632","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/releases/tag/0.21.17","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/releases/tag/0.22.3","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/releases/tag/v0.23.2","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/security/advisories/GHSA-h668-6x6g-f8r5","source":"security-advisories@github.com"},{"url":"https://github.com/sonos/tract/security/advisories/GHSA-h668-6x6g-f8r5","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-55832","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}