CVE-2026-120204— DeepInfer through 0.1.0 Path Traversal via /profile output_dir Parameter

Quick assessment

Affected

deepseek-ai DeepInfer

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.

DeepInfer 0.1.0 及之前版本在未经认证的接口中存在路径遍历漏洞。攻击者可通过参数创建任意目录。攻击者（包括利用操作员浏览器发起的跨站点 GET 请求）能够写入 Chrome 追踪文件，从而耗尽磁盘空间或 inode 资源，并利用错误消息作为文件系统预言机（filesystem oracle）来探测文件系统信息。

CVSS 5.6 · Medium Updated Nov 01, 2026

Possible ATT&CK Techniques 3 AI

T1059 · Command and Scripting Interpreter T1083 · File and Directory Discovery T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
deepseek-ai	DeepInfer	`≤ 0.1.0`	affected

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Vulnerability Information

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Vulnerability Title

DeepInfer through 0.1.0 Path Traversal via /profile output_dir Parameter

Source: CVE Program / CVE List V5

Vulnerability Description

DeepInfer through 0.1.0 contains a path traversal vulnerability in the unauthenticated /profile endpoint that allows remote attackers to create arbitrary directories via the output_dir parameter. Attackers, including cross-site GET requests from an operator's browser, can write chrome trace files to exhaust disk or inodes and use error messages as a filesystem oracle.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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
deepseek-ai	DeepInfer	0 ~ 0.1.0	-

II. Public POCs for CVE-2026-120204

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-120204

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Other References for CVE-2026-120204 (4)

https://github.com/deepseek-ai/DeepInfer product
https://github.com/deepseek-ai/DeepInfer/blob/553741557a57df44a46fb3ab72b6aafeaf945337/deepinfer/engine/profile_server.py#L210 technical-description
https://github.com/deepseek-ai/DeepInfer/pull/242 issue-tracking patch
https://www.vulncheck.com/advisories/deepinfer-through-0.1.0-path-traversal-via-profile-output-dir-parameter third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120204

IV. Related Vulnerabilities

Same vendor: deepseek-ai

Same weakness: CWE-22