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CVE-2026-19372— Handwriting-OCR handwriting-ocr-mcp-server upload_document index.ts fs.readFileSync path traversal

Quick assessment

Affected
Handwriting-OCR handwriting-ocr-mcp-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.

Handwriting OCR MCP Server是Handwriting OCR组织开源的一款手写文字识别服务模块。 Handwriting OCR MCP Server 0.1.0版本存在路径遍历漏洞，该漏洞源于对文件src/index.ts中fs.readFileSync函数的参数File进行操纵，导致路径遍历。

CVSS 5.3 · Medium EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
Handwriting-OCR handwriting-ocr-mcp-server 0.1.0 affected
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I. Basic Information for CVE-2026-19372

Vulnerability Information
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Vulnerability Title
Handwriting-OCR handwriting-ocr-mcp-server upload_document index.ts fs.readFileSync path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Handwriting-OCR handwriting-ocr-mcp-server 0.1.0. Affected by this vulnerability is the function fs.readFileSync of the file src/index.ts of the component upload_document. Performing a manipulation of the argument File results in path traversal. Attacking locally is a requirement. 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:L/AC:L/PR:L/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
Vulnerability Title
Handwriting OCR MCP Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Handwriting OCR MCP Server是Handwriting OCR组织开源的一款手写文字识别服务模块。 Handwriting OCR MCP Server 0.1.0版本存在路径遍历漏洞，该漏洞源于对文件src/index.ts中fs.readFileSync函数的参数File进行操纵，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
Handwriting-OCR handwriting-ocr-mcp-server 0.1.0 cpe:2.3:a:handwriting-ocr:handwriting-ocr-mcp-server:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19372

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III. Intelligence Information for CVE-2026-19372

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Proof of Concept for CVE-2026-19372 (1)

News Coverage for CVE-2026-19372 (1)

Other References for CVE-2026-19372 (2)

IV. Related Vulnerabilities

Same weakness: CWE-22