What is CVE-2022-40126?

CVE-2022-40126 is a high-severity vulnerability in Clash Project, classified under Files or Directories Accessible to External Parties. CVSS score: 7.8/10. Published 2022-09-29.

How severe is CVE-2022-40126?

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

Is CVE-2022-40126 known to be exploited?

10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Clash Project

CVE-2022-40126

A misconfiguration in the Service Mode profile directory of Clash for Windows v0.19.9 allows attackers to escalate privileges and execute arbitrary commands when Service Mode is activated.

Published 2022-09-29 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (22.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Clash Project — versions 0.19.9

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

Public proof-of-concept exploits

References

github.com/Fndroid/clash_for_windows_pkg/issues/3405 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-40126?: CVE-2022-40126 is a high-severity vulnerability in Clash Project, classified under Files or Directories Accessible to External Parties. CVSS score: 7.8/10. Published 2022-09-29.
How severe is CVE-2022-40126?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-40126 known to be exploited?: 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.