{"id":"CVE-2026-112051","title":"Xinference through 4.0.1 Path Traversal via model_name in Custom Model Registration","summary":"Xinference through 4.0.1 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to write and delete arbitrary .json files via backslash sequences in model_name. Attackers can register a persisted custom …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L","cvssSource":"cna","cwe":["CWE-22"],"vendor":"xorbitsai","product":"inference","affected":["inference <= 4.0.1"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T12:19:43.049Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112051","references":[{"url":"https://github.com/xorbitsai/inference/issues/5702"},{"url":"https://github.com/xorbitsai/inference/commit/beddc97ac211f8414597fe8479493be0603f7c84"},{"url":"https://github.com/xorbitsai/inference/blob/v4.0.1/xinference/model/utils.py#L1175-L1182"},{"url":"https://github.com/xorbitsai/inference/blob/v4.0.1/xinference/model/cache_manager.py#L117-L134"},{"url":"https://www.vulncheck.com/advisories/xinference-through-4.0.1-path-traversal-via-model-name-in-custom-model-registration","label":"VulnCheck Advisory: Xinference through 4.0.1 Path Traversal via model_name in Custom Model Registration"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T12:41:54.061Z","slug":"CVE-2026-112051","body":"## Overview\n\nXinference through 4.0.1 contains a path traversal vulnerability on Windows that allows unauthenticated attackers to write and delete arbitrary .json files via backslash sequences in model_name. Attackers can register a persisted custom model through POST /v1/model_registrations/{model_type} with names like ..\\..\\evil to overwrite configuration or data files writable by the Xinference process.\n\n## Affected\n\n- `inference <= 4.0.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}