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Vulnerability DatabaseCVE-2026-25228

CVE-2026-25228: 
JavaScript vulnerability analysis and mitigation

Signal K Server is a server application that runs on a central hub in a boat. Prior to 2.20.3, a path traversal vulnerability in SignalK Server's applicationData API allows authenticated users on Windows systems to read, write, and list arbitrary files and directories on the filesystem. The validateAppId() function blocks forward slashes (/) but not backslashes (), which are treated as directory separators by path.join() on Windows. This enables attackers to escape the intended applicationData directory. This vulnerability is fixed in 2.20.3.

Source: NVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-34156CRITICAL9.9
  • JavaScriptJavaScript
  • @nocobase/plugin-workflow-javascript
NoYesMar 30, 2026
CVE-2026-34363HIGH8.2
  • JavaScriptJavaScript
  • parse-server
NoYesMar 30, 2026
CVE-2026-33949HIGH8.1
  • JavaScriptJavaScript
  • @tinacms/graphql
NoYesMar 30, 2026
CVE-2026-34043MEDIUM5.9
  • JavaScriptJavaScript
  • serialize-javascript
NoYesMar 31, 2026
CVE-2026-34373MEDIUM5.3
  • JavaScriptJavaScript
  • parse-server
NoYesMar 30, 2026

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