Improper Authorization Affecting next package, versions >=11.1.4 <12.3.5>=13.0.0 <13.5.9>=14.0.0 <14.2.25>=15.0.0-rc.0 <15.2.3>=15.3.0-canary.0 <15.3.0-canary.12
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- published21 Mar 2025
- disclosed21 Mar 2025
- creditcold-try, Allam Rachid, Allam Yasser
Introduced: 21 Mar 2025
NewCVE-2025-29927 (opens in a new tab)How to fix?
Upgrade next to version 12.3.5, 13.5.9, 14.2.25, 15.2.3, 15.3.0-canary.12 or higher.
Overview
next is a react framework.
Affected versions of this package are vulnerable to Improper Authorization due to the improper handling of the x-middleware-subrequest header. An attacker can bypass authorization checks by sending crafted requests containing this specific header.
Workaround
This can be mitigated by preventing external user requests which contain the x-middleware-subrequest header from reaching your Next.js application.