GHSA-89XV-2M56-2M9X Next.js: Server-Side Request Forgery in Server Actions on custom servers

Impact 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 obtai...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +974 more potentially affected by CVE-2026-64648 via next (>=16.0.0, <=16.2.10)

next NPM version =16.0.0, =0.1.0, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.18 and more Source cves: CVE-2026-64648 Source advisory:...

NPM: Next.js: Cache confusion of response bodies for requests with bodies

NPM: Next.js: Cache confusion of response bodies for requests with bodies vulnerability discovered by ? in WordPress Npm next versions = 13.0.0, 15.5.21...

GHSA-68G3-V927-F742 Next.js: Cache confusion of response bodies for requests with bodies

Impact 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...

Use of Cache Containing Sensitive Information

Overview next is a react framework. Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information in createPatchedFetcher in packages/next/src/server/lib/patch-fetch.ts. An attacker can leak a cached response body from one request to another by sending...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +974 more potentially affected by CVE-2026-64647 via next (>=16.0.0, <=16.2.10)

next NPM version =16.0.0, =0.1.0, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.18 and more Source cves: CVE-2026-64647 Source advisory:...

Improper Encoding or Escaping of Output

Overview next is a react framework. Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the IncrementalCache.generateCacheKey function in next/dist/server/lib/incremental-cache. An attacker can make a server-side fetch return a cached response body from...

Next.js: Cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequences

Impact 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 issu...

Next.js: Unbounded Server Action payload in Edge runtime

Impact 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 Workarounds If you cannot upgrade, ensure your hosting provider limits the request's body size. 5 MiB should be...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +974 more potentially affected by CVE-2026-64646 via next (>=16.0.0, <=16.2.10)

next NPM version =16.0.0, =0.1.0, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.18 and more Source cves: CVE-2026-64646 Source advisory:...

GHSA-4C39-4CCG-62R3 Next.js: Unbounded Server Action payload in Edge runtime

Impact 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 Workarounds If you cannot upgrade, ensure your hosting provider limits the request's body size. 5 MiB should be...

NPM: Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname

NPM: Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname vulnerability discovered by ? in WordPress Npm next versions = 12.0.0, 15.5.21...

Server-side Request Forgery (SSRF)

Overview next is a react framework. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the prepareDestination rewrite/redirect handling in packages/next/src/shared/lib/router/utils/prepare-destination.ts. An attacker can make the application proxy a request t...

Inefficient Algorithmic Complexity

Overview next is a react framework. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the detectContentType path in next/dist/server/image-optimizer. An attacker can exhaust CPU in /next/image by sending a remotely hosted SVG that forces expensive...

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

NPM: Next.js: Denial of Service in the Image Optimization API using SVGs vulnerability discovered by ? in WordPress Npm next versions = 15.5.0, 15.5.21...

9remote (>=0.1.0, <=0.1.8), @071yoon/log-console-core (0.1.0) +974 more potentially affected by CVE-2026-64643 via next (>=16.0.0, <=16.2.10)

next NPM version =16.0.0, =0.1.0, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.8, =1.1.0-beta.18 and more Source cves: CVE-2026-64643 Source advisory:...

NPM: Next.js: Unauthenticated disclosure of internal Server Function endpoints

NPM: Next.js: Unauthenticated disclosure of internal Server Function endpoints vulnerability discovered by ? in WordPress Npm next versions = 13.0.0, 15.5.21...

Next.js: Unauthenticated disclosure of internal Server Function endpoints

Impact In 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...

GHSA-955P-X3MX-JCVP Next.js: Unauthenticated disclosure of internal Server Function endpoints

Impact In 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...

GHSA-6GPP-XCG3-4W24 Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale

Impact 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. Workarounds If you cannot upgrade immediately, enforce authorization in the page's server-side data path instead...