Open Redirect in Next.js

Overview

In next (aka Next.js) before version 11.1.0 there is an Open Redirect vulnerability.

Impact

• Affected: Users of Next.js between 10.0.5 and 10.2.0
• Affected: Users of Next.js between 11.0.0 and 11.0.1 using pages/_error.js without getInitialProps
• Affected: Users of Next.js between 11.0.0 and 11.0.1 using pages/_error.js and next export
• Not affected: Deployments on Vercel (vercel.com) are not affected
• Not affected: Deploymentswith pages/404.js

We recommend everyone to upgrade regardless of whether you can reproduce the issue or not.

Patches

https://github.com/vercel/next.js/releases/tag/v11.1.0

Recommendation

Upgrade to version 11.1.0 or later

References

• CVE
• GitHub Advisory