> ## Documentation Index
> Fetch the complete documentation index at: https://docs.codeant.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Regexp redos

<AccordionGroup>
  <Accordion title="regexp-redos">
    Detected `$REQ` argument enters calls to `RegExp`. This could lead to a Regular Expression Denial of Service (ReDoS) through catastrophic backtracking. If the input is attacker controllable, this vulnerability can lead to systems being non-responsive or may crash due to ReDoS. Where possible avoid calls to `RegExp` with user input, if required ensure user input is escaped or validated. <br />**Likelihood**: HIGH<br />**Confidence**: HIGH<br />**CWE**: <br />- CWE-1333: Inefficient Regular Expression Complexity
  </Accordion>
</AccordionGroup>