The backend database management connection test feature in wgcloud v3.6.3 has a server-side request forgery (SSRF) vulnerability.

published 2026-03-19 7mo ago modified 2026-06-17 4mo ago also EUVD-2026-13120

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

The backend database management connection test feature in wgcloud v3.6.3 has a server-side request forgery (SSRF) vulnerability. This issue can be exploited to make the server send requests to probe the internal network, remotely download malicious files, and perform other dangerous operations.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 7mo ago (2026-03-24)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/TTTlw1024/qwe/issues/3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

github.com /TTTlw1024/qwe/issues/3
exploit, issue-tracking
github.com /tianshiyeben/wgcloud/issues/98
issue-tracking

Sources

CVE List CVE-2026-30404
NVD CVE-2026-30404

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