Update dependency next to v14 [SECURITY] #1131
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This PR contains the following updates:
13.4.12->14.2.24GitHub Vulnerability Alerts
CVE-2023-46298
Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached by a CDN, causing a denial of service to all users requesting the same URL via that CDN. Cloudflare considers these requests cacheable assets.
CVE-2024-34350
Impact
Inconsistent interpretation of a crafted HTTP request meant that requests are treated as both a single request, and two separate requests by Next.js, leading to desynchronized responses. This led to a response queue poisoning vulnerability in the affected Next.js versions.
For a request to be exploitable, the affected route also had to be making use of the rewrites feature in Next.js.
Patches
The vulnerability is resolved in Next.js
13.5.1and newer. This includes Next.js14.x.Workarounds
There are no official workarounds for this vulnerability. We recommend that you upgrade to a safe version.
References
https://portswigger.net/web-security/request-smuggling/advanced/response-queue-poisoning
CVE-2024-34351
Impact
A Server-Side Request Forgery (SSRF) vulnerability was identified in Next.js Server Actions by security researchers at Assetnote. If the
Hostheader is modified, and the below conditions are also met, an attacker may be able to make requests that appear to be originating from the Next.js application server itself.Prerequisites
<14.1.1) is running in a self-hosted* manner./.* Many hosting providers (including Vercel) route requests based on the Host header, so we do not believe that this vulnerability affects any Next.js applications where routing is done in this manner.
Patches
This vulnerability was patched in #62561 and fixed in Next.js
14.1.1.Workarounds
There are no official workarounds for this vulnerability. We recommend upgrading to Next.js
14.1.1.Credit
Vercel and the Next.js team thank Assetnote for responsibly disclosing this issue to us, and for working with us to verify the fix. Thanks to:
Adam Kues - Assetnote
Shubham Shah - Assetnote
CVE-2024-47831
Impact
The image optimization feature of Next.js contained a vulnerability which allowed for a potential Denial of Service (DoS) condition which could lead to excessive CPU consumption.
Not affected:
next.config.jsfile is configured withimages.unoptimizedset totrueorimages.loaderset to a non-default value.Patches
This issue was fully patched in Next.js
14.2.7. We recommend that users upgrade to at least this version.Workarounds
Ensure that the
next.config.jsfile has eitherimages.unoptimized,images.loaderorimages.loaderFileassigned.Credits
Brandon Dahler (brandondahler), AWS
Dimitrios Vlastaras
CVE-2024-39693
Impact
A Denial of Service (DoS) condition was identified in Next.js. Exploitation of the bug can trigger a crash, affecting the availability of the server.
This vulnerability can affect all Next.js deployments on the affected versions.
Patches
This vulnerability was resolved in Next.js 13.5 and later. We recommend that users upgrade to a safe version.
Workarounds
There are no official workarounds for this vulnerability.
Credit
CVE-2024-51479
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
14.2.15and 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 (GMO CyberSecurity by IERAE) for responsible disclosure of this issue.
CVE-2024-56332
Impact
A Denial of Service (DoS) attack allows attackers to construct requests that leaves requests to Server Actions hanging until the hosting provider cancels the function execution.
Note: Next.js server is idle during that time and only keeps the connection open. CPU and memory footprint are low during that time.
Deployments without any protection against long running Server Action invocations are especially vulnerable. Hosting providers like Vercel or Netlify set a default maximum duration on function execution to reduce the risk of excessive billing.
This is the same issue as if the incoming HTTP request has an invalid
Content-Lengthheader or never closes. If the host has no other mitigations to those then this vulnerability is novel.This vulnerability affects only Next.js deployments using Server Actions.
Patches
This vulnerability was resolved in Next.js 14.2.21, 15.1.2, and 13.5.8. We recommend that users upgrade to a safe version.
Workarounds
There are no official workarounds for this vulnerability.
Credits
Thanks to the PackDraw team for responsibly disclosing this vulnerability.
CVE-2025-29927
Impact
It is possible to bypass authorization checks within a Next.js application, if the authorization check occurs in middleware.
Patches
15.2.314.2.2513.5.912.3.5Note: Next.js deployments hosted on Vercel are automatically protected against this vulnerability.
Workaround
If patching to a safe version is infeasible, it is recommend that you prevent external user requests which contain the
x-middleware-subrequestheader from reaching your Next.js application.Credits
CVE-2025-32421
Summary
We received a responsible disclosure from Allam Rachid (zhero) for a low-severity race-condition vulnerability in Next.js. This issue only affects the Pages Router under certain misconfigurations, causing normal endpoints to serve
pagePropsdata instead of standard HTML.Learn more here
Credit
Thank you to Allam Rachid (zhero) for the responsible disclosure. This research was rewarded as part of our bug bounty program.
Release Notes
vercel/next.js (next)
v14.2.24Compare Source
Core Changes
Credits
Huge thanks to @ztanner for helping!
v14.2.23Compare Source
Core Changes
Credits
Huge thanks to @styfle, @ijjk and @lubieowoce for helping!
v14.2.22Compare Source
Core Changes
Credits
Huge thanks to @unstubbable, @ijjk, and @ztanner for helping!
v14.2.21Compare Source
Core Changes
14898b6to178c267: https://github.com/vercel/next.js/pull/74115Misc Changes
Credits
Huge thanks to @unstubbable, @ztanner, and @styfle for helping!
v14.2.20Compare Source
Core Changes
Credits
Huge thanks to @wyattjoh for helping!
v14.2.19Compare Source
Core Changes
Misc Changes
Credits
Huge thanks to @ztanner and @ijjk for helping!
v14.2.18Compare Source
Core Changes
Credits
Huge thanks to @huozhi and @ijjk for helping!
v14.2.17Compare Source
Core Changes
Credits
Huge thanks to @huozhi, @ztanner, and @ijjk for helping!
v14.2.16Compare Source
v14.2.15Compare Source
Core Changes
Credits
Huge thanks to @ztanner, @agadzik, @huozhi, @styfle, @icyJoseph and @wyattjoh for helping!
v14.2.14Compare Source
Core Changes
Credits
Huge thanks to @styfle, @ztanner, @ijjk, @huozhi and @wyattjoh for helping!
v14.2.13Compare Source
Core Changes
Credits
Huge thanks to @raeyoung-kim, @huozhi, @devjiwonchoi, and @ijjk for helping!
v14.2.12Compare Source
Core Changes
Credits
Huge thanks to @alvarlagerlof, @wyattjoh, @delbaoliveira, and @ijjk for helping!
v14.2.11Compare Source
Core Changes
Credits
Huge thanks to @huozhi, @devjiwonchoi, and @ijjk for helping!
v14.2.10Compare Source
Core Changes
Credits
Huge thanks to @huozhi and @ijjk for helping!
v14.2.9Compare Source
Core Changes
Credits
Huge thanks to @huozhi, @ztanner, @ijjk, and @lubieowoce for helping!
v14.2.8Compare Source
What's Changed
Support
esmExternalsin app directoryReading cookies set in middleware in components and actions
Metadata and icons
fb:app_id,fb:admins) in generateMetaData (#65713)Parallel routes fixes
Draft mode and edge improvements
next/imagefixesServer actions improvements
Other changes
Create-next-app updates
create-next-apptemplate CSS (#66043)create-next-apppublic/ assets from local folder→ remote URL (#66931)Full Changelog: vercel/next.js@v14.2.7...v14.2.8
Huge thanks to everyone who contributed to this release:
@abhi12299, @delbaoliveira, @eps1lon, @ForsakenHarmony, @huozhi, @ijjk, @JoshuaKGoldberg, @leerob, @lubieowoce, @Netail, @ronanru, @samcx, @shuding, @sokra, @stylessh, @timfuhrmann, @wbinnssmith, @wyattjoh, @ypessoa, @ztanner
v14.2.7Compare Source
Core Changes
Credits
Huge thanks to @kjugi, @huozhi, @ztanner, @SukkaW, @marlier, @Kikobeats, @syi0808, @ijjk, and @samcx for helping!
v14.2.6Compare Source
Core Changes
v14.2.5Compare Source
Core Changes
Misc
Credits
Huge thanks to @devjiwonchoi, @ijjk, @emmerich, @huozhi, @kdy1, @kwonoj, @styfle, and @sokra for helping!
v14.2.4Compare Source
Core Changes
Credits
Huge thanks to @ztanner, @ijjk, @wbinnssmith, @huozhi, and @lubieowoce for helping!
v14.2.3Compare Source
Core Changes
Credits
Huge thanks to @huozhi, @samcx, @ztanner, @Jeffrey-Zutt, and @ijjk for helping!
v14.2.2Compare Source
Core Changes
Credits
Huge thanks to @shuding, @coltonehrman, @ztanner, @huozhi, @sokra, @Jeffrey-Zutt, @timneutkens, @wbinnssmith, @wiesson, @ijjk, @devjiwonchoi, and @bgw for helping!
v14.2.1Compare Source
Core Changes
Credits
Huge thanks to @sokra for helping!
v14.2.0Compare Source
Learn more: https://nextjs.org/blog/next-14-2
Core Changes
next infooutput: #60376tersertov5.27.0: #61068swc_coretov0.87.28: #60876unoptimizedprop: #61045_app: #60789optimizeServerReactto config-shared: #61106maxDurationto typescript plugin allowed exports: #59193swc_coretov0.89.x: #61086swc_coretov0.89.4: #61285preset-envmode ofstyled-jsxin webpack mode: #61306.tsfiles as.tsx: #61219swc_coretov0.89.6: #61426@vercel/[email protected]: #61538next/fontmanifest: #61424@swc/helperstov0.5.5: #61659MiddlewareConfiginterface: [#61576](https://redirect.github.com/vercel/Configuration
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