{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-94484","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-21T17:25:42.292Z","datePublished":"2026-10-02T15:26:48.417Z","dateUpdated":"2026-10-05T20:07:39.105Z"},"containers":{"cna":{"title":"Next.js: Cache poisoning in Next.js SSG/ISR rendering leads to cross-user content substitution and persistent denial of service","problemTypes":[{"descriptions":[{"cweId":"CWE-524","lang":"en","description":"CWE-524: Use of Cache Containing Sensitive Information","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/vercel/next.js/security/advisories/GHSA-mcj8-r9mp-w47p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/vercel/next.js/security/advisories/GHSA-mcj8-r9mp-w47p"},{"name":"https://github.com/vercel/next.js/commit/52c94abdd2ea5f416f5e8353ea8a2edd3fe311b8","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/52c94abdd2ea5f416f5e8353ea8a2edd3fe311b8"},{"name":"https://github.com/vercel/next.js/commit/719e4c67d6e92df60246f95e1d96e2dd60789a52","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/commit/719e4c67d6e92df60246f95e1d96e2dd60789a52"},{"name":"https://github.com/vercel/next.js/releases/tag/v15.5.27","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/releases/tag/v15.5.27"},{"name":"https://github.com/vercel/next.js/releases/tag/v16.3.8","tags":["x_refsource_MISC"],"url":"https://github.com/vercel/next.js/releases/tag/v16.3.8"}],"affected":[{"vendor":"vercel","product":"next.js","versions":[{"version":">= 15.0.0, < 15.5.27","status":"affected"},{"version":">= 16.0.0, < 16.3.8","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-02T15:26:48.417Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-mcj8-r9mp-w47p","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T20:06:50.206551Z","id":"CVE-2026-94484","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T20:07:39.105Z"}}]}}