How severe is CVE-2026-30402?

CVE-2026-30402 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-30402 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30402?

CVE-2026-30402 affects Wgstart Wgcloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30402?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-30402 have an EU (EUVD) identifier?

Yes. CVE-2026-30402 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13109.

When was CVE-2026-30402 published?

CVE-2026-30402 was published on 2026-03-19 and last updated on 2026-06-17.

CVE-2026-30402

CVE-2026-30402 is a critical-severity vulnerability in Wgstart Wgcloud with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13109
Weakness: CWE-94
Affected product: Wgstart Wgcloud
Published: 2026-03-19
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2026-30402?: CVE-2026-30402 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-30402 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30402?: CVE-2026-30402 affects Wgstart Wgcloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30402?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-30402 have an EU (EUVD) identifier?: Yes. CVE-2026-30402 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13109.
When was CVE-2026-30402 published?: CVE-2026-30402 was published on 2026-03-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wgstart:wgcloud:*:*:*:*:*:*:*:*

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