Path Traversal in Xorbitsai Inference
CVE-2026-112051
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 model through POST /v1/model_registrations/{model_type} with names like ..\..\evil to overwrite configuration or data files writable by the Xinference process.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/xorbitsai/inference/issues/5702 (issue-tracking)
- github.com/xorbitsai/inference/commit/beddc97ac211f8414597fe8479493be0603f7c84 (patch)
- github.com/xorbitsai/inference/blob/v4.0.1/xinference/model/utils.py (technical-description)
- github.com/xorbitsai/inference/blob/v4.0.1/xinference/model/cache_manager.py (technical-description)
- www.vulncheck.com/advisories/xinference-through-4.0.1-path-traversal-via-model-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112051?
- CVE-2026-112051 is a medium-severity vulnerability in Xorbitsai Inference, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-10-18.
- How severe is CVE-2026-112051?
- Medium severity. CVSS v3 base score is 6.5 out of 10.