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CVE-2026-42221

🗓️ 04 May 2026 20:09:37Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 79 Views🌐 WEB

Unauthenticated installer allows initial admin takeover via public install endpoint before patch 2.3.8.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
nginxuinginx_uiRange2.0.0–2.3.8
[
  {
    "vendor": "0xJacky",
    "product": "nginx-ui",
    "versions": [
      {
        "version": ">= 2.0.0, < 2.3.8",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
admin emailrequest body/api/installUnauthenticated endpoint during the first-run setup window that allows an attacker to claim the initial administrator account by providing admin credentials.CWE-306
usernamerequest body/api/installUnauthenticated endpoint during the first-run setup window that allows an attacker to claim the initial administrator account by providing admin credentials.CWE-306
passwordrequest body/api/installUnauthenticated endpoint during the first-run setup window that allows an attacker to claim the initial administrator account by providing admin credentials.CWE-306

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17 Jun 2026 10:47Current
7.6High risk
Vulners AI Score7.6
CVSS 3.18.1 - 9.8
EPSS0.01603
SSVC
79