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CVE-2025-66398

🗓️ 01 Jan 2026 18:00:38Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 97 Views🌐 WEB

Unauthenticated state pollution in Signal K Server enables remote code execution by overwriting config files via /skServer/validateBackup prior to 2.19.0.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
[
  {
    "vendor": "SignalK",
    "product": "signalk-server",
    "versions": [
      {
        "version": "< 2.19.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
backupbinary/skServer/validateBackupUnauthenticated upload to /skServer/validateBackup enables state pollution (restoreFilePath) and can hijack the administrator Restore workflow to overwrite critical server configuration files.CWE-78, CWE-913
backuprequest body/skServer/restoreRestore endpoint can be abused after phase 1 to overwrite critical server configuration files via a malicious backup, enabling admin hijack and potential RCE.CWE-78, CWE-913

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01 Oct 2026 08:10Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.8 - 9.6
EPSS0.1985
SSVC
97