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CVE-2026-19038— MonomythDevelopment la-forge-mcp screenshot_element Tool index.ts screenshotElement path traversal

Quick assessment

Affected
MonomythDevelopment la-forge-mcp
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.

Monomyth Development la-forge-mcp是Monomyth Development组织的一个模型上下文协议工具。 Monomyth Development la-forge-mcp 1.0.0版本存在路径遍历漏洞，该漏洞源于src/index.ts文件中screenshotElement函数的output_name参数操作不当，可能导致路径遍历，攻击者可远程利用。

CVSS 6.3 · Medium EPSS 0.40% · P34

Affected Version Matrix 2

VendorProduct Version RangeStatus
MonomythDevelopment la-forge-mcp 1.0.0 affected
1.1.1 unaffected
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I. Basic Information for CVE-2026-19038

Vulnerability Information
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Vulnerability Title
MonomythDevelopment la-forge-mcp screenshot_element Tool index.ts screenshotElement path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in MonomythDevelopment la-forge-mcp 1.0.0. This issue affects the function screenshotElement of the file src/index.ts of the component screenshot_element Tool. Such manipulation of the argument output_name leads to path traversal. The attack can be executed remotely. Upgrading to version 1.1.1 is capable of addressing this issue. The name of the patch is 1102172c9adec4a619e241efd6bfb74f5b1f4332. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/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
Monomyth Development la-forge-mcp 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Monomyth Development la-forge-mcp是Monomyth Development组织的一个模型上下文协议工具。 Monomyth Development la-forge-mcp 1.0.0版本存在路径遍历漏洞，该漏洞源于src/index.ts文件中screenshotElement函数的output_name参数操作不当，可能导致路径遍历，攻击者可远程利用。
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
MonomythDevelopment la-forge-mcp 1.0.0 cpe:2.3:a:monomythdevelopment:la-forge-mcp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-19038

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III. Intelligence Information for CVE-2026-19038

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Patches & Fixes for CVE-2026-19038 (1)

Vendor Advisories for CVE-2026-19038 (1)

Proof of Concept for CVE-2026-19038 (2)

News Coverage for CVE-2026-19038 (1)

Other References for CVE-2026-19038 (3)

IV. Related Vulnerabilities

Same weakness: CWE-22