Vulnerability · Published Jan 13, 2026 · Assigned by VulnCheck
CVE-2023-54331Outline 1.6.0 - Unquoted Service Path
High 7.8
In plain English
A high-severity security flaw in Outline from Getoutline. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Getoutline | Outline | 1.6.0 |
Weakness: CWE-428 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51128 exploit
- Official Outline Product Homepage product
- VulnCheck Advisory: Outline 1.6.0 - Unquoted Service Path third-party-advisory