# CVE-2023-54331

## Summary

- **CVE ID:** CVE-2023-54331
- **Severity:** HIGH
- **CVSS Score:** 8.5 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-428
- **Published:** Jan 13, 2026
- **Last Modified:** Mar 13, 2026

## Description

Outline 1.6.0 contains an unquoted service path vulnerability that allows local attackers to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the OutlineService executable to inject malicious code that will be executed with LocalSystem permissions.

## Affected Products

- Getoutline — Outline (1.6.0)

## References

- [CNA](https://www.exploit-db.com/exploits/51128)
- [CNA](https://getoutline.org/)
- [CNA](https://www.vulncheck.com/advisories/outline-unquoted-service-path)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.01%
- **EPSS Percentile:** 1.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._