Android SharedPreferences plaintext secret in Kotlin
Rule ID: vetkit.kotlin.android.shared-preferences-plaintext-secret
A password, token, API key or similar secret is written to SharedPreferences in plain text. The XML file is readable on rooted devices and from extracted backups.
Last updated:
Suite: Security
kotlin
A password, token, API key or similar secret is written to SharedPreferences in plain text. The XML file is readable on rooted devices and from extracted backups.
Category: SECURITY · Engine rule severity: WARNING
How to fix it
Store secrets with EncryptedSharedPreferences (androidx.security) or in the Android Keystore, keep only non-sensitive preferences in plain SharedPreferences, and prefer short-lived tokens.
References
Source: packages/engine/rules/sast/kotlin.yml.
Related checks
- Kotlin Android WebView allowFileAccess enabled
- Kotlin WebView onReceivedSslError calls proceed()
- Kotlin Android WebView addJavascriptInterface exposed
- Kotlin Android WebView loads URL from Intent extra
- Kotlin setAllowUniversalAccessFromFileURLs in WebView
- Kotlin Android world-readable or world-writable file mode
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Generated from shipped rule definitions at build time. Matching is a review signal, not proof of exploitability. “generic” denotes text matching, not complete language or framework coverage. Runtime configuration and available tools affect whether a rule runs.