Cyber Resilience

CVE-2026-44343

Critical

Published: 12 May 2026

Published
12 May 2026
Modified
19 May 2026
KEV Added
Patch
CVSS Score v4 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0043 34.8th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-44343 is a critical-severity Improper Input Validation (CWE-20) vulnerability in Wgdashboard Wgdashboard. Its CVSS base score is 9.3 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 34.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

WGDashboard is a dashboard for WireGuard VPN. Prior to 4.3.2, there are critical vulnerabilities affecting WGDashboard that, if exploited, could allow unauthorized parties to access the host file system without authentication. This vulnerability is fixed in 4.3.2.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Unauthenticated remote file system access via dashboard input validation flaw directly enables exploitation of a public-facing web application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-48913Shared CWE-20
CVE-2025-67484Shared CWE-20
CVE-2026-4755Shared CWE-20
CVE-2026-23489Shared CWE-20
CVE-2025-54385Shared CWE-20
CVE-2026-48188Shared CWE-20
CVE-2026-22567Shared CWE-20
CVE-2026-26063Shared CWE-20
CVE-2024-36047Shared CWE-20
CVE-2025-37173Shared CWE-20

Affected Assets

wgdashboard
wgdashboard
≤ 4.3.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References