{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-75604", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-17T23:49:03.450Z", "datePublished": "2026-09-01T21:23:30.859Z", "dateUpdated": "2026-09-01T21:23:30.859Z"}, "containers": {"cna": {"title": "Next.js: Unauthenticated Remote Code Execution on windows-hosted servers", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/vercel/next.js/security/advisories/GHSA-p293-qw3h-jr36", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vercel/next.js/security/advisories/GHSA-p293-qw3h-jr36"}, {"name": "https://github.com/vercel/next.js/commit/968b9fcb26bdeb8e0a861a9df05361474666d51b", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/commit/968b9fcb26bdeb8e0a861a9df05361474666d51b"}, {"name": "https://github.com/vercel/next.js/commit/b0f3460a92b955d3ca41fccff9a525a2b910fbf3", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/commit/b0f3460a92b955d3ca41fccff9a525a2b910fbf3"}, {"name": "https://github.com/vercel/next.js/releases/tag/v15.5.24", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/releases/tag/v15.5.24"}, {"name": "https://github.com/vercel/next.js/releases/tag/v16.3.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/releases/tag/v16.3.3"}], "affected": [{"vendor": "vercel", "product": "next.js", "versions": [{"version": ">= 13.4.0, < 15.5.24", "status": "affected"}, {"version": ">= 16.0.0, < 16.3.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-01T21:23:30.859Z"}, "descriptions": [{"lang": "en", "value": "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 key. Disclosure of that key can enable remote code execution in the affected application. This issue is fixed in versions 15.5.24 and 16.3.3."}], "source": {"advisory": "GHSA-p293-qw3h-jr36", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "next.js", "vendor": "vercel", "versions": [{"status": "affected", "version": ">= 13.4.0, < 15.5.24"}, {"status": "affected", "version": ">= 16.0.0, < 16.3.3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 key. Disclosure of that key can enable remote code execution in the affected application. This issue is fixed in versions 15.5.24 and 16.3.3."}], "id": "CVE-2026-75604", "lastModified": "2026-09-01T22:17:12.697", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-01T22:17:12.697", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/vercel/next.js/commit/968b9fcb26bdeb8e0a861a9df05361474666d51b"}, {"source": "security-advisories@github.com", "url": "https://github.com/vercel/next.js/commit/b0f3460a92b955d3ca41fccff9a525a2b910fbf3"}, {"source": "security-advisories@github.com", "url": "https://github.com/vercel/next.js/releases/tag/v15.5.24"}, {"source": "security-advisories@github.com", "url": "https://github.com/vercel/next.js/releases/tag/v16.3.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-p293-qw3h-jr36"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}