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.
References10
- github.com/MonomythDevelopment/la-forge-mcp/
- github.com/MonomythDevelopment/la-forge-mcp/commit/1102172c9ade…
- github.com/MonomythDevelopment/la-forge-mcp/issues/1
- github.com/MonomythDevelopment/la-forge-mcp/releases/tag/v1.1.1
- github.com/gongyanyugyy/public_exp/issues/12
- vuldb.com/cve/CVE-2026-19038
- vuldb.com/submit/863827
- vuldb.com/vuln/386457
- vuldb.com/vuln/386457/cti
- github.com/MonomythDevelopment/la-forge-mcp/issues/1
Metrics
- CVSS 3.1
-
6.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 4.0
-
2.1
LOW
Score source: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - EPSS — exploit probability
- 0% percentile: 35 · as of 12 November 2026
- CWE
- CWE-22
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.