fix(deps): update dependency next to v14.2.32 [security] #581
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This PR contains the following updates:
14.2.21→14.2.32GitHub Vulnerability Alerts
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
15.2.314.2.25Note: Next.js deployments hosted on Vercel are automatically protected against this vulnerability.
Workaround
If patching to a safe version is infeasible, we 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.
CVE-2025-48068
Summary
A low-severity vulnerability in Next.js has been fixed in version 15.2.2. This issue may have allowed limited source code exposure when the dev server was running with the App Router enabled. The vulnerability only affects local development environments and requires the user to visit a malicious webpage while
npm run devis active.Because the mitigation is potentially a breaking change for some development setups, to opt-in to the fix, you must configure
allowedDevOriginsin your next config after upgrading to a patched version. Learn more.Learn more: https://vercel.com/changelog/cve-2025-48068
Credit
Thanks to sapphi-red and Radman Siddiki for responsibly disclosing this issue.
CVE-2025-49826
Summary
A vulnerability affecting Next.js has been addressed. It impacted versions 15.0.4 through 15.1.8 and involved a cache poisoning bug leading to a Denial of Service (DoS) condition.
Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page
More details: CVE-2025-49826
Credits
CVE-2025-55173
A vulnerability in Next.js Image Optimization has been fixed in v15.4.5 and v14.2.31. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery.
All users relying on
images.domainsorimages.remotePatternsare encouraged to upgrade and verify that external image sources are strictly validated.More details at Vercel Changelog
CVE-2025-57822
A vulnerability in Next.js Middleware has been fixed in v14.2.32 and v15.4.7. The issue occurred when request headers were directly passed into
NextResponse.next(). In self-hosted applications, this could allow Server-Side Request Forgery (SSRF) if certain sensitive headers from the incoming request were reflected back into the response.All users implementing custom middleware logic in self-hosted environments are strongly encouraged to upgrade and verify correct usage of the
next()function.More details at Vercel Changelog
CVE-2025-57752
A vulnerability in Next.js Image Optimization has been fixed in v15.4.5 and v14.2.31. When images returned from API routes vary based on request headers (such as
CookieorAuthorization), these responses could be incorrectly cached and served to unauthorized users due to a cache key confusion bug.All users are encouraged to upgrade if they use API routes to serve images that depend on request headers and have image optimization enabled.
More details at Vercel Changelog
Release Notes
vercel/next.js (next)
v14.2.32Compare Source
Core Changes
Credits
Huge thanks to @ztanner for helping!
v14.2.31Compare Source
Core Changes
Credits
Huge thanks to @styfle and @ztanner for helping!
v14.2.30Compare Source
Core Changes
config.allowedDevOrigins(#80410) (Learn More)Credits
Huge thanks to @ijjk and @ztanner for helping!
v14.2.29Compare Source
Core Changes
Credits
Huge thanks to @ijjk for helping!
v14.2.28Compare Source
Core Changes
Credits
Huge thanks to @ztanner for helping!
v14.2.27Compare Source
Core Changes
Credits
Huge thanks to @ztanner for helping!
v14.2.26Compare Source
Core Changes
v14.2.25Compare Source
Core Changes
Credits
Huge thanks to @ijjk for helping!
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!
Configuration
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