next vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2026-64649Highnext: Next.js: Server-Side Request Forgery in Server Actions on custom serversCVE-2026-64648Mediumnext: Next.js: Cache confusion of response bodies for requests with bodiesCVE-2026-64647Mediumnext: Next.js: Cache confusion of response bodies for requests with bodies containing invalid UTF-8 byte sequencesCVE-2026-64646Mediumnext: Next.js: Unbounded Server Action payload in Edge runtimeCVE-2026-64645Highnext: Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostnameCVE-2026-64644Mediumnext: Next.js: Denial of Service in the Image Optimization API using SVGsCVE-2026-64643Mediumnext: Next.js: Unauthenticated disclosure of internal Server Function endpointsCVE-2026-64642Highnext: Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single localeCVE-2026-64641Highnext: Next.js: Denial of Service in App Router using Server ActionsCVE-2026-45109Highnext: Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-UpCVE-2026-44572Lownext: Next.js's Middleware / Proxy redirects can be cache-poisonedCVE-2026-44581Mediumnext: Next.js vulnerable to cross-site scripting in App Router applications using CSP noncesCVE-2026-44582Lownext: Next.js vulnerable to cache poisoning via collisions in React Server Component cache-bustingCVE-2026-44580Mediumnext: Next.js has cross-site scripting in beforeInteractive scripts with untrusted inputCVE-2026-44579Highnext: Next.js vulnerable to Denial of Service via connection exhaustion in applications using Cache ComponentsCVE-2026-44577Mediumnext: Next.js has a Denial of Service in the Image Optimization APICVE-2026-44578Highnext: Next.js vulnerable to server-side request forgery in applications using WebSocket upgradesCVE-2026-44576Mediumnext: Next.js vulnerable to cache poisoning in React Server Component responsesCVE-2026-44575Highnext: Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routesCVE-2026-44574Highnext: Next.js has a Middleware / Proxy bypass through dynamic route parameter injectionCVE-2026-44573Highnext: Next.js has a Middleware / Proxy bypass in Pages Router applications using i18nGHSA-8H8Q-6873-Q5FJHighnext: Next.js Vulnerable to Denial of Service with Server ComponentsGHSA-Q4GF-8MX6-V5V3Highnext: Next.js has a Denial of Service with Server ComponentsCVE-2026-29057Mediumnext: Next.js: HTTP request smuggling in rewritesCVE-2026-27980Mediumnext: Next.js: Unbounded next/image disk cache growth can exhaust storage

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