CVE-2023-54331 Outline 1.6.0 - Unquoted Service Path
Local attackers can execute arbitrary code with elevated privileges by exploiting an unquoted service path in the Outline desktop application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-54331?
CVE-2023-54331 is a high-severity vulnerability in Getoutline Outline, published on 13 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
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.
Weakness: CWE-428
Which versions are affected by CVE-2023-54331?
It affects 1 product.
Products include Getoutline Outline.
How do I fix CVE-2023-54331?
No fix has been published for CVE-2023-54331 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-54331 being exploited?
There is no known exploitation of CVE-2023-54331 in the wild and no public exploit code.
Other vulnerabilities in Getoutline Outline
- CVE-2026-33640 Outline has a rate limit bypass that allows brute force of email login OTP
- CVE-2024-37829 Auth bypass in n/a
- CVE-2023-3532 Cross-site Scripting (XSS) - Stored in outline/outline
- CVE-2026-24901 Outline's IDOR allows unauthorized viewing and seizing of private deleted drafts
- CVE-2026-41649 Outline has IDOR in document share creation that allows unauthorized access to private documents across workspaces
Sources
Also known as GHSA-368x-rx64-j3wc.