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Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-30058","identifiers":["EUVD-2026-30058","CVE-2026-44574","GHSA-492v-c6pp-mqqv"]},"retained":false,"historicalAffected":[]},{"revision":"2d4bb51542c64cc4907e89ff2200cc2c","observedAt":"2026-10-27T11:12:17.434+00:00","statement":{"source":"nvd","id":"CVE-2026-44574","aliases":[],"title":"Next.js is a React framework for building full-stack web applications. From 15.4.0 to before 15.5.16 and 16.2.5, applications that rely on middleware to protect dynamic routes can be vulnerable to authorization bypass. In affected deploymen…","description":"Next.js is a React framework for building full-stack web applications. 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This vulnerability is fixed in 15.5.16 and 16.2.5.","state":0,"publishedAt":"2026-05-13T17:16:22.767+00:00","modifiedAt":"2026-10-26T17:10:03.27+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"},{"system":"CVSS 3.1 · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/vercel/next.js/security/advisories/GHSA-492v-c6pp-mqqv","https://access.redhat.com/errata/RHSA-2026:34608","https://access.redhat.com/errata/RHSA-2026:37272","https://access.redhat.com/errata/RHSA-2026:40974","https://access.redhat.com/errata/RHSA-2026:54435","https://access.redhat.com/security/cve/CVE-2026-44574","https://bugzilla.redhat.com/show_bug.cgi?id=2477207","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44574.json"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-44574","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["CWE-288","CWE-551"],"productCriteria":["cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-05-13T17:16:22.767","lastModified":"2026-10-26T17:10:03.270"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. 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In affected deployments, specially crafted query parameters can alter the dynamic route value seen by the page while leaving the visible path unchanged, which can allow protected content to be rendered without passing the expected middleware check.\n\n### Fix\n\nWe now only honor internal route-parameter normalization in trusted routing flows and ignore externally supplied parameter encodings that should never have been accepted from ordinary requests.\n\n### Workarounds\n\nIf you cannot upgrade immediately, enforce authorization in route or page logic instead of relying solely on middleware path matching.","state":0,"publishedAt":"2026-05-11T15:54:08+00:00","modifiedAt":"2026-09-10T03:51:04.5889428+00:00","affected":[{"ecosystem":"npm","name":"next","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"15.4.0"},{"kind":"fixed","version":"15.5.16"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"next","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"16.0.0"},{"kind":"fixed","version":"16.2.5"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/vercel/next.js/security/advisories/GHSA-492v-c6pp-mqqv","https://nvd.nist.gov/vuln/detail/CVE-2026-44574","https://github.com/vercel/next.js","https://github.com/vercel/next.js/releases/tag/v15.5.16","https://github.com/vercel/next.js/releases/tag/v16.2.5"],"sourceUrl":"https://github.com/advisories/GHSA-492v-c6pp-mqqv","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-492v-c6pp-mqqv","identifiers":["GHSA-492v-c6pp-mqqv","CVE-2026-44574"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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