What is CVE-2022-50917?

CVE-2022-50917 is a high-severity vulnerability in Proton Protonvpn, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-13.

How severe is CVE-2022-50917?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Proton Protonvpn

CVE-2022-50917

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.

EPSS: 0.002 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Proton Protonvpn — versions 1.26.0
Protonvpn — versions 1.26.0

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (Exploit, VDB Entry, exploit)
disclosure@vulncheck.com (product, Broken Link)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2022-50917?: CVE-2022-50917 is a high-severity vulnerability in Proton Protonvpn, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-13.
How severe is CVE-2022-50917?: High severity. CVSS v3 base score is 7.8 out of 10.