Open Redirect Affecting serve-static package, versions <1.6.5 >=1.7.0 <1.7.2



    Attack Complexity High
    User Interaction Required

    Threat Intelligence

    EPSS 0.35% (71st percentile)
Expand this section
4.3 medium

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID npm:serve-static:20150113
  • published 13 Jan 2015
  • disclosed 13 Jan 2015
  • credit Pierre-Élie Fauché

How to fix?

  • Update to version 1.7.2 or greater (or 1.6.5 if sticking to the 1.6.x line).
    • Disable redirects if not using the feature with 'redirect: false' option and cannot upgrade.


When using serve-static middleware version < 1.7.2 and it's configured to mount at the root, it creates an open redirect on the site.

Source: Node Security Project


For example:

If a user visits they will be redirected to //, which some browsers interpret as