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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.

PUBLISHED Reserved 2026-01-10 | Published 2026-01-13 | Updated 2026-03-05 | Assigner VulnCheck




HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

1.6.0
affected

Credits

Milad Karimi (Ex3ptionaL) finder

References

www.exploit-db.com/exploits/51128 (ExploitDB-51128) exploit

getoutline.org/ (Official Outline Product Homepage) product

www.vulncheck.com/advisories/outline-unquoted-service-path (VulnCheck Advisory: Outline 1.6.0 - Unquoted Service Path) third-party-advisory

cve.org (CVE-2023-54331)

nvd.nist.gov (CVE-2023-54331)

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