What is CVE-2026-30402?

CVE-2026-30402 is a critical-severity vulnerability in Wgstart Wgcloud, classified under Code Injection. CVSS score: 9.8/10. Published 2026-03-19.

How severe is CVE-2026-30402?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Wgstart Wgcloud

CVE-2026-30402

An issue in wgcloud v.2.3.7 and before allows a remote attacker to execute arbitrary code via the test connection function

Vulnerability class: RCE (Remote Code Execution)

Published 2026-03-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.009 · change: +0.002

Affected products

Wgstart Wgcloud

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/tianshiyeben/wgcloud/issues/96 (Issue Tracking)
github.com/TTTlw1024/qwe/issues/1 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2026-30402?: CVE-2026-30402 is a critical-severity vulnerability in Wgstart Wgcloud, classified under Code Injection. CVSS score: 9.8/10. Published 2026-03-19.
How severe is CVE-2026-30402?: Critical severity. CVSS v3 base score is 9.8 out of 10.