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Description

ProtonVPN 1.26.0 contains an unquoted service path vulnerability in its WireGuard service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path by placing malicious executables in specific file system locations to gain elevated privileges during service startup.

PUBLISHED Reserved 2026-01-11 | Published 2026-01-13 | Updated 2026-01-14 | 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: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Unquoted Search Path or Element

Product status

1.26.0
affected

Credits

gemreda (@gemredax) finder

References

www.exploit-db.com/exploits/50837 (ExploitDB-50837) exploit

protonvpn.com/ (ProtonVPN Official Website) product

www.vulncheck.com/advisories/protonvpn-unquoted-service-path (VulnCheck Advisory: ProtonVPN 1.26.0 - Unquoted Service Path) third-party-advisory

cve.org (CVE-2022-50917)

nvd.nist.gov (CVE-2022-50917)

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