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CVE-2026-112051— Xinference through 4.0.1 Path Traversal via model_name in Custom Model Registration

Quick assessment

Affected
xorbitsai inference
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xinference 4.0.1 及以下版本在 Windows 平台上存在路径遍历漏洞。未认证的攻击者可通过在 参数中使用反斜杠序列，写入或删除任意的 文件。攻击者可以利用 接口注册持久化自定义模型，使用如 的模型名称，从而覆盖 Xinference 进程具有写入权限的配置文件或数据文件。

CVSS 6.5 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
xorbitsai inference ≤ 4.0.1 affected
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I. Basic Information for CVE-2026-112051

Vulnerability Information
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Vulnerability Title
Xinference through 4.0.1 Path Traversal via model_name in Custom Model Registration
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
xorbitsai inference 0 ~ 4.0.1 -

II. Public POCs for CVE-2026-112051

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III. Intelligence Information for CVE-2026-112051

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Other References for CVE-2026-112051 (4)

IV. Related Vulnerabilities

Same product: inference
Same vendor: xorbitsai
Same weakness: CWE-22

V. Comments for CVE-2026-112051

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