CVE-2026-30403
CVE-2026-30403 is a high-severity vulnerability in Wgstart Wgcloud with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-13119
- Weakness: CWE-22
- Affected product: Wgstart Wgcloud
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-30403?
- CVE-2026-30403 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-30403 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-30403?
- CVE-2026-30403 affects Wgstart Wgcloud. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-30403?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-30403 have an EU (EUVD) identifier?
- Yes. CVE-2026-30403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13119.
- When was CVE-2026-30403 published?
- CVE-2026-30403 was published on 2026-03-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wgstart:wgcloud:*:*:*:*:*:*:*:*
More vulnerabilities in Wgstart Wgcloud
- CVE-2026-30402 — Critical (CVSS 9.8): An issue in wgcloud v.2.3.7 and before allows a remote attacker to execute arbitrary code via the test connection…
- CVE-2026-30404 — High (CVSS 7.5): The backend database management connection test feature in wgcloud v3.6.3 has a server-side request forgery (SSRF)…
All CVEs affecting Wgstart Wgcloud →
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