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CVE-2026-30403

25
FAUCET Score

CVE-2026-30403 describes an arbitrary file read vulnerability in wgcloud v3.6.3 and earlier, specifically located in the test connection function of its backend database management, which allows an attacker to read any file on the affected server. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a severe impact on confidentiality with a network attack vector and low attack complexity, requiring no privileges or user interaction. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (e.g., Metasploit, Nuclei, ExploitDB), or significant community discussion, and it is not listed in CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6.3CPE matchmatch criteria
cpe:2.3:a:wgstart:wgcloud:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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 Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 10th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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