CVE-2026-30403 — HIGH (7.5)

Q: What is CVE-2026-30403?

CVE-2026-30403 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

Q: How severe is CVE-2026-30403?

CVE-2026-30403 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-30403?

Check the references section above for vendor advisories and patch information. Affected products include: Wgstart Wgcloud.

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Wgstart	Wgcloud	<= 3.6.3

Related Weaknesses (CWE)

CWE-22

References

https://github.com/TTTlw1024/qwe/issues/2ExploitIssue Tracking
https://github.com/tianshiyeben/wgcloud/issues/97Issue Tracking

FAQ

What is CVE-2026-30403?

CVE-2026-30403 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2026-30403?

CVE-2026-30403 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30403?

Check the references section above for vendor advisories and patch information. Affected products include: Wgstart Wgcloud.