Call to 'Runtime.exec()' with non-constant string

Reports calls to java.lang.Runtime.exec() which take a dynamically-constructed string as the command to execute.

Constructed execution strings are a common source of security breaches. By default, this inspection ignores compile-time constants.

Example:

  String i = getUserInput();
  Runtime runtime = Runtime.getRuntime();
  runtime.exec("foo" + i); // reports warning

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

RuntimeExecWithNonConstantString

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Java | Security

Use the inspection settings to consider any static final fields as constant. Be careful, because strings like the following will be ignored when the option is enabled:

static final String COMMAND = "ping " + getDomainFromUserInput() + "'";

Inspection options

Here you can find the description of settings available for the Call to 'Runtime.exec()' with non-constant string inspection, and the reference of their default values.

Consider 'static final' fields constant: Not selected

Availability

By default bundled with: IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,
Can be installed with plugin: Java, 241.18072

Last modified: 18 June 2024