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PatchFirst · Aktuelle Sicherheitslücken

Sicherheitslücken in next

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für next: 11. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 77

  1. GHSA-673q-mjm6-r5xr

    Nicht bewertetKorrektur verfügbar

    Next.js: Unauthenticated Remote Code Execution in `use cache` functions returning typed arrays

    ## Impact A vulnerability in applications using App router with Cache Component can lead to remote code execution. The application needs to have a `use cache` function that returns multiple typed arrays. ## Workaround There is no known workaround for affected applications with such `use cache` functions. You should upgrade immediately even if your application does not have similar functions.

    nextNode.js
    • Auf 16.4.1 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  2. GHSA-2464-fhr4-w9xw

    Nicht bewertetKorrektur verfügbar

    Next.js: Unauthenticated Remote Code Execution in Image Optimization API when SVG files are used

    ## Impact A memory-related vulnerability has been discovered in an upstream library used for Image Optimization can lead to possible remote code execution (RCE) when Next.js runs on glibc-based Linux. ## Workaround Ensure the version of `sharp` used by Next.js is greater than or equal to `0.35.5`. Fresh installs automatically get a fixed version of `sharp`. Upgrading Next.js to the patched versions will ensure package managers automatically provide a fixed version of `sharp` to Next.js.

    next nextNode.js
    • Auf 15.5.28 aktualisieren
    • Auf 16.4.1 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  3. CVE-2026-94482

    Hoch · CVSS 8.2EPSS 0,36%Korrektur verfügbar

    Next.js: Denial of Service in App Router using Server Actions

    Next.js is a React framework for building full-stack web applications. From 13.0.0 until 15.5.28 and 16.4.1, crafted requests targeting App Router applications with at least one Server Action can cause excessive CPU consumption and block processing of further requests in the same process. Applications using the Pages Router and App Router applications without Server Actions are not affected. This issue is fixed in versions 15.5.28 and 16.4.1.

    next nextNode.js
    • Auf 15.5.28 aktualisieren
    • Auf 16.4.1 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  4. CVE-2026-94484

    Mittel · CVSS 6.3EPSS 0,24%Korrektur verfügbar

    Next.js: Cache poisoning in Next.js SSG/ISR rendering leads to cross-user content substitution and persistent denial of service

    Next.js is a React framework for building full-stack web applications. From 15.0.0 until 15.5.27 and 16.3.8, applications with a root-level catch-all page and statically generated or Incremental Static Regeneration routes can use a shared response cache key that is insufficiently scoped to the source route. A single unauthenticated crafted request can poison that cache, causing cross-user content substitution or persistent denial of service until the poisoned entry is revalidated or replaced. This issue is fixed in versions 15.5.27 and 16.3.8.

    next nextNode.js
    • Auf 15.5.27 aktualisieren
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  5. CVE-2026-94485

    Mittel · CVSS 6.3EPSS 0,17%Korrektur verfügbar

    Next.js: Information disclosure in Next.js App Router metadata image routes via dynamicParams bypass

    Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the `next dev` development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a developer can reach the endpoint and read the project's disk location, source code snippets from error reports, route inventory, and development logs. Production deployments do not serve this endpoint. This issue is fixed in version 16.3.8.

    nextNode.js
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  6. CVE-2026-94483

    Hoch · CVSS 8.3EPSS 0,24%Korrektur verfügbar

    Next.js: Server-Side Request Forgery in Image Optimization

    Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, Image Optimization can follow attacker-controlled DNS resolution for a remote URL that matches images.remotePatterns, allowing the optimized image fetch to reach private IP addresses after the URL passes the allow-list check. Applications without images.remotePatterns are not affected. Administrators unable to upgrade should audit allow-listed hosts and avoid entries whose DNS records are not trusted. This issue is fixed in version 16.3.8.

    nextNode.js
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  7. CVE-2026-94543

    Mittel · CVSS 6.3EPSS 0,29%Korrektur verfügbar

    Next.js: Cache poisoning of SSG and ISR pages in self-hosted Next.js applications

    Next.js is a React framework for building full-stack web applications. From 15.0.0 until 15.5.27 and 16.3.8, self-hosted applications using the Pages Router with statically generated or Incremental Static Regeneration pages can key a response cache entry without sufficiently binding it to the source route. A request can replace one page's cache entry with content from a different route, causing the affected page to serve incorrect content to every visitor until revalidation. Applications deployed on Vercel are not affected. This issue is fixed in versions 15.5.27 and 16.3.8.

    next nextNode.js
    • Auf 15.5.27 aktualisieren
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  8. CVE-2026-94544

    Mittel · CVSS 6.3EPSS 0,18%Korrektur verfügbar

    Next.js: Pending `use cache` fill can leak Draft Mode content into regular responses and persisted pages

    Next.js is a React framework for building full-stack web applications. From 16.3.0 until 16.3.8, pending use cache fills for the same key are shared without separating Draft Mode requests from regular requests. An overlapping regular request can receive unauthenticated unpublished content from an editor's Draft Mode fill, while an overlapping Draft Mode request can receive published content from a regular fill. When the regular request prerenders a page, the draft-dependent content can persist in the generated page and be served to later visitors until revalidation. Sites are affected when Cache Components or experimental.useCache is enabled

    nextNode.js
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  9. CVE-2026-94486

    Niedrig · CVSS 2.3EPSS 0,11%Korrektur verfügbar

    Next.js: Information disclosure in the Next.js development server's Model Context Protocol endpoint

    Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, the next dev development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a developer can reach the endpoint and read the project's disk location, source code snippets from error reports, route inventory, and development logs. Production deployments do not serve this endpoint. This issue is fixed in version 16.3.8.

    nextNode.js
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  10. CVE-2026-103004

    Mittel · CVSS 6.3EPSS 0,25%Korrektur verfügbar

    next.js cache leak on warm `use cache` handlers accessing root param

    Next.js versions from 16.3.0 to 16.3.7 warm `use cache` handlers using `next/root-params` and can leak their return value to pages with different root params. With Cache Components enabled (cacheComponents: true), a 'use cache' function that calls another 'use cache' function that reads a root param can be keyed incorrectly when the inner call is served from an existing entry: the enclosing function's cache key then omits that root param. The enclosing entry is written once and reused for all root param values, so a response for one root param value can serve content produced for a different value — whether the page is prerendered at build ti

    nextNode.js
    • Auf 16.3.8 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  11. GHSA-vcvr-r3jv-pc5j

    Nicht bewertetKorrektur verfügbar

    Next.js: Remote Code Execution in next/og ImageResponse

    ## Impact The Node.js `ImageResponse` implementation from `next/og` is affected by an upstream vulnerability. This can lead to remote code execution. Affected applications pass attacker-controlled values into SVG content, attributes, or styles during image generation: ```tsx import { ImageResponse } from 'next/og' export async function GET(request: Request) { const value = new URL(request.url).searchParams.get('value') ?? '' return new ImageResponse( <svg width="1200" height="630"> <title>{value}</title> </svg> ) } ``` Applications using the Edge `ImageResponse` implementation, or applications that do not pass attack

    nextNode.js
    • Auf 16.3.6 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  12. GHSA-2xp9-vwfh-vxw4

    Nicht bewertetKorrektur verfügbar

    Next.js: Unauthenticated Remote Code Execution in Image Optimization API when AVIF files are used

    A vulnerability in the underlying `libheif` library used by `sharp` which Next.js uses for image optimization can lead to remote code execution when AVIF files are optimized. Until a fix has propagated, optimization of AVIF files is disabled.

    next nextNode.js
    • Auf 15.5.24 aktualisieren
    • Auf 16.3.3 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  13. CVE-2026-75604

    Kritisch · CVSS 9EPSS 2,1%Öffentlicher ExploitKorrektur verfügbar

    Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

    Next.js is a React framework for building full-stack web applications. From 13.4.0 until 15.5.24 and 16.3.3, Next.js applications using Pages Router or App Router without Cache Components on Windows-hosted servers do not consistently escape backslashes in route segments before constructing incremental-cache paths. In packages/next/src/shared/lib/router/utils/escape-path-delimiters.ts and packages/next/src/server/lib/incremental-cache/file-system-cache.ts, a remote request can supply encoded Windows path separators that traverse outside the intended cache root and expose private build data, including the server-reference-manifest encryption ke

    next nextNode.js
    • Auf 15.5.24 aktualisieren
    • Auf 16.3.3 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  14. CVE-2026-64649

    Hoch · CVSS 8.3EPSS 0,46%Korrektur verfügbar

    Next.js: Server-Side Request Forgery in Server Actions on Custom Servers

    Next.js is a React framework for building full-stack web applications. In versions 14.1.1 through 15.5.20 and 16.0.0 through 16.2.10, when a Server Action forwards or redirects a request, an attacker can cause the server to send that outbound request to a malicious host (Server-Side Request Forgery). This requires the attacker's request to control Host-associated headers. In some configurations, it's also possible to obtain internal values that weaken middleware/proxy authorization. Applications that use Server Actions are affected when the incoming host header is not fixed to a trusted value. This typically occurs on custom servers, or on de

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  15. CVE-2026-64648

    Mittel · CVSS 6EPSS 0,34%Korrektur verfügbar

    Next.js: Response Body Cache Confusion for Requests Containing Bodies

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the same URL but different body. Confidential data in the POST's response body would then leak to unauthorized requests. Though the request itself will not be deduped. This only applies to fetch calls with a request that has a different init than the one passed to fetch. A safe request would be: fetch(new Request(init), init). An unsafe request would be: fetch(new Request(init), aDifferentInit). This issue has

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  16. CVE-2026-64647

    Mittel · CVSS 6.3EPSS 0,32%Korrektur verfügbar

    Next.js: Response Body Cache Confusion with Invalid UTF-8 Request Bodies

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, a server-side fetch with a request body may return a cached response body from a different request to the same URL but different body. Confidential data in the POST's response body would then leak to unauthorized requests. Though the request itself will not be deduped. This is only an issue when receiving request bodies with a content type charset other than UTF-8. For example, the UTF-16 byte sequences for 삃삃 and 섄섄 in the request body would share the same cache. This issue has been fixed in versions 15.5.21 a

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  17. CVE-2026-64646

    Mittel · CVSS 6.3EPSS 0,52%Korrektur verfügbar

    Next.js: Unbounded Server Action payload in Edge runtime

    Next.js is a React framework for building full-stack web applications. In versions 13.0.0 through 15.5.20 and 16.0.0 through 16.2.10, requests targeting Next.js applications using App Router with at least one Server Action can lead to excessive memory consumption if that Server Actions uses the Edge runtime. This issue has been fixed in versions 15.5.21 and 16.2.11.

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  18. CVE-2026-64644

    Mittel · CVSS 6.3EPSS 0,67%Korrektur verfügbar

    Next.js: Denial of Service in the Image Optimization API using SVGs

    Next.js is a React framework for building full-stack web applications. In versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10, when self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely hosted images if configured (not enabled by default). If those images contain malicious content, they can cause CPU exhaustion in /_next/image endpoints.Only config.images.remotePatterns is affected, and just the patterns in that array, whereas config.images.unoptimized: true, config.images.loader: 'custom', and Vercel are not impacted. This issue has been fixed in versions 15.5.21 and 16.2.11.

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  19. CVE-2026-64643

    Mittel · CVSS 6.3EPSS 0,51%Korrektur verfügbar

    Next.js: Unauthenticated Disclosure of Internal Server Function endpoints

    Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use cache endpoints can be disclosed bypassing any authentication on the pages where these endpoints are usually used. Server Action IDs can be disclosed to unauthenticated users via publicly served client artifacts (for example, static chunks containing action references). Affected users are applications using App Router and Server Actions. By itself, this disclosure is typically a recon/enumeration primitive; however, it can increase risk w

    next nextNode.js
    • Auf 15.5.21 aktualisieren
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  20. CVE-2026-64642

    Hoch · CVSS 8.3EPSS 0,64%Korrektur verfügbar

    Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale

    Next.js is a React framework for building full-stack web applications. In versions 16.0.0 through 16.2.10, crafted requests targeting Next.js applications using App Router built with Turbopack and a single entry in config.i18n.locales can bypass middleware/proxy based authentication. This issue has been fixed in version 16.2.11.

    nextNode.js
    • Auf 16.2.11 aktualisieren
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

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