Regular expression built from user input detected.

Description

Applications should avoid constructing regular expressions from user input. Regular expressions can have exponential worst-case computational complexity, allowing users to trigger this behaviour can result in excessive CPU consumption causing a regular expression denial of service (ReDoS).

Remediations

❌ Avoid using untrusted or user data when building regular expressions

Resources

Associated CWE

Configuration

To skip this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --skip-rule=javascript_lang_regex_using_user_input

To run only this rule during a scan, use the following flag

bearer scan /path/to/your-project/ --only-rule=javascript_lang_regex_using_user_input

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