What is CVE-2026-30403?

CVE-2026-30403 is a high-severity vulnerability in Wgstart Wgcloud, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-03-19.

How severe is CVE-2026-30403?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Wgstart Wgcloud

CVE-2026-30403

There is an arbitrary file read vulnerability in the test connection function of backend database management in wgcloud v3.6.3 and before, which can be used to read any file on the victim's server.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Wgstart Wgcloud
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cve@mitre.org (Issue Tracking)
cve@mitre.org (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2026-30403?: CVE-2026-30403 is a high-severity vulnerability in Wgstart Wgcloud, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-03-19.
How severe is CVE-2026-30403?: High severity. CVSS v3 base score is 7.5 out of 10.