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CVE-2026-81491— boxpositron with-context-mcp index.ts project_folder path traversal

Quick assessment

Affected
boxpositron with-context-mcp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在版本 3.0.7 及更早版本的 boxpositron with-context-mcp 中发现了一个缺陷。该缺陷影响了 文件中的 、 、 和 函数。执行某些操作可能导致路径遍历（Path Traversal）漏洞，且攻击者可以远程发起攻击。该漏洞的利用方法已经公开，存在被利用的风险。项目方早已通过问题报告获知此问题，但至今尚未作出回应。

CVSS 7.3 · High
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I. Basic Information for CVE-2026-81491

Vulnerability Information
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Vulnerability Title
boxpositron with-context-mcp index.ts project_folder path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in boxpositron with-context-mcp up to 3.0.7. This affects the function ingest_notes/teleport_notes/sync_notes/project_folder of the file src/index.ts. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/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
boxpositron with-context-mcp 3.0.0 cpe:2.3:a:boxpositron:with-context-mcp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-81491

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7756 chars
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III. Intelligence Information for CVE-2026-81491

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Vendor Advisories for CVE-2026-81491 (1)

Proof of Concept for CVE-2026-81491 (1)

Other References for CVE-2026-81491 (2)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-81491

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