Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-81486— bsmi021 mcp-file-context-server Path Resolution index.ts read_context path traversal

Quick assessment

Affected
bsmi021 mcp-file-context-server
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.

Brian W. Smith File Context Server是Brian W. Smith个人开发者的一款文件上下文服务器软件。 Brian W. Smith File Context Server 1.0.0版本存在路径遍历漏洞，该漏洞源于对文件src/index.ts中参数path的错误操作，可能导致路径遍历。

CVSS 5.3 · Medium EPSS 0.69% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
bsmi021 mcp-file-context-server 1.0.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-81486

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
bsmi021 mcp-file-context-server Path Resolution index.ts read_context path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in bsmi021 mcp-file-context-server 1.0.0. Affected by this issue is the function read_context of the file src/index.ts of the component Path Resolution. Performing a manipulation of the argument path results in path traversal. It is possible to initiate the attack remotely. The exploit is now public 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:N/A:N
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
Vulnerability Title
Brian W. Smith File Context Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Brian W. Smith File Context Server是Brian W. Smith个人开发者的一款文件上下文服务器软件。 Brian W. Smith File Context Server 1.0.0版本存在路径遍历漏洞，该漏洞源于对文件src/index.ts中参数path的错误操作，可能导致路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
bsmi021 mcp-file-context-server 1.0.0 cpe:2.3:a:bsmi021:mcp-file-context-server:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-81486

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-81486

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-81486 (1)

Proof of Concept for CVE-2026-81486 (1)

Other References for CVE-2026-81486 (3)

IV. Related Vulnerabilities

Same weakness: CWE-22

V. Comments for CVE-2026-81486

No comments yet

Leave a comment