CVE-2023-54331

HIGH 7.8

Outline 1.6.0 - Unquoted Service Path

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-428
Vendor	getoutline
Product	outline
Published	Jan 13, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Getoutline / Outline

1.6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51128 getoutline.org: https://getoutline.org/ vulncheck.com: https://www.vulncheck.com/advisories/outline-unquoted-service-path

Credits

Milad Karimi (Ex3ptionaL)