GHSA-7gfc-8cq8-jh5f

Next.js authorization bypass vulnerability

Source: GitHub Advisory Database (reviewed) High CVE-2024-51479

Packages

Ecosystem	Package	Affected	Fixed in
npm	next	>= 9.5.5, < 14.2.15	14.2.15

Details

As written in the advisory (Markdown source, shown as plain text).

### Impact If a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed. ### Patches This issue was patched in Next.js `14.2.15` and later. If your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version. ### Workarounds There are no official workarounds for this vulnerability. #### Credits We'd like to thank [tyage](http://github.com/tyage) (GMO CyberSecurity by IERAE) for responsible disclosure of this issue.

References

External links from the advisory. They lead to third-party sites.

https://github.com/vercel/next.js/security/advisories/GHSA-7gfc-8cq8-jh5f web
https://nvd.nist.gov/vuln/detail/CVE-2024-51479 advisory
https://github.com/vercel/next.js/commit/1c8234eb20bc8afd396b89999a00f06b61d72d7b web
https://github.com/vercel/next.js package
https://github.com/vercel/next.js/releases/tag/v14.2.15 web