{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-49826", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-06-11T14:33:57.799Z", "datePublished": "2025-07-03T21:03:24.346Z", "dateUpdated": "2025-07-08T14:33:21.671Z"}, "containers": {"cna": {"title": "Next.js DoS vulnerability via cache poisoning", "problemTypes": [{"descriptions": [{"cweId": "CWE-444", "lang": "en", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r"}, {"name": "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93"}, {"name": "https://github.com/vercel/next.js/releases/tag/v15.1.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/vercel/next.js/releases/tag/v15.1.8"}, {"name": "https://vercel.com/changelog/cve-2025-49826", "tags": ["x_refsource_MISC"], "url": "https://vercel.com/changelog/cve-2025-49826"}], "affected": [{"vendor": "vercel", "product": "next.js", "versions": [{"version": ">= 15.0.4-canary.51, < 15.1.8", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-03T21:15:19.153Z"}, "descriptions": [{"lang": "en", "value": "Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8."}], "source": {"advisory": "GHSA-67rr-84xm-4c7r", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-07-08T14:33:15.486231Z", "id": "CVE-2025-49826", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2025-07-08T14:33:21.671Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-49826", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-07-08T14:33:15.486231Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-07-08T14:33:18.505Z"}}], "cna": {"title": "Next.js DoS vulnerability via cache poisoning", "source": {"advisory": "GHSA-67rr-84xm-4c7r", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "vercel", "product": "next.js", "versions": [{"status": "affected", "version": ">= 15.0.4-canary.51, < 15.1.8"}]}], "references": [{"url": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r", "name": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93", "name": "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/vercel/next.js/releases/tag/v15.1.8", "name": "https://github.com/vercel/next.js/releases/tag/v15.1.8", "tags": ["x_refsource_MISC"]}, {"url": "https://vercel.com/changelog/cve-2025-49826", "name": "https://vercel.com/changelog/cve-2025-49826", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-444", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-07-03T21:15:19.153Z"}}}, "cveMetadata": {"cveId": "CVE-2025-49826", "state": "PUBLISHED", "dateUpdated": "2025-07-08T14:33:21.671Z", "dateReserved": "2025-06-11T14:33:57.799Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2025-07-03T21:03:24.346Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "F50DAFB8-34A5-4452-8AF6-BAA3FD8B6C32", "versionEndExcluding": "15.1.8", "versionStartExcluding": "15.0.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:vercel:next.js:15.0.4:canary51:*:*:*:node.js:*:*", "matchCriteriaId": "CBF83B84-0DA2-481D-B7AD-2D7021C21AE9", "vulnerable": true}, {"criteria": "cpe:2.3:a:vercel:next.js:15.0.4:canary52:*:*:*:node.js:*:*", "matchCriteriaId": "28634725-9D9F-4C0D-BA06-EDD16FFF445F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8."}, {"lang": "es", "value": "Next.js es un framework React para crear aplicaciones web full-stack. Desde la versi\u00f3n 15.0.4-canary.51 hasta la versi\u00f3n anterior a la 15.1.8, se detect\u00f3 un error de envenenamiento de cach\u00e9 que provocaba una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en Next.js. Este problema no afecta a los clientes alojados en Vercel. En ciertas circunstancias, este problema puede permitir que se almacene en cach\u00e9 una respuesta HTTP 204 para p\u00e1ginas est\u00e1ticas, lo que hace que la respuesta 204 se muestre a todos los usuarios que intentan acceder a la p\u00e1gina. Este problema se ha solucionado en la versi\u00f3n 15.1.8."}], "id": "CVE-2025-49826", "lastModified": "2025-09-10T15:28:32.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-07-03T21:15:27.287", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/vercel/next.js/releases/tag/v15.1.8"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://vercel.com/changelog/cve-2025-49826"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "nextjs: Next.js denial of service", "id": "2376220", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376220"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-444", "details": ["Next.js is a React framework for building full-stack web applications. From versions 15.0.4-canary.51 to before 15.1.8, a cache poisoning bug leading to a Denial of Service (DoS) condition was found in Next.js. This issue does not impact customers hosted on Vercel. Under certain conditions, this issue may allow a HTTP 204 response to be cached for static pages, leading to the 204 response being served to all users attempting to access the page. This issue has been addressed in version 15.1.8.", "A denial of service flaw was found in Next.js. In certain situations, this issue may lead to an HTTP 204 response being cached for static pages, which can result in the 204 response being provided to all users trying to access the page."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-49826", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "dotnet7.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/docling-serve-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-3.1-8b-lab-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-3.1-8b-starter-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-7b-redhat-lab", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-7b-starter", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-8b-code-base", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-8b-code-instruct", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-8b-lab-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-8b-lab-v2-preview", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/granite-8b-starter-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/knowledge-adapter-v3", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/mixtral-8x7b-instruct-v0-1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-docling-layout", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-docling-tableformer", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-3-1-8b-lab-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-3-1-8b-starter-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-7b-redhat-lab", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-7b-starter", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-8b-code-base", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-8b-code-instruct", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-8b-lab-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-8b-lab-v2-preview", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-granite-8b-starter-v1", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-knowledge-adapter-v3", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/modelcar-skills-adapter-v3", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/pathservice-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/prometheus-8x7b-v2-0", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/skills-adapter-v3", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "rhelai1/ui-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}], "public_date": "2025-07-03T21:03:24Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-49826\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-49826\nhttps://github.com/vercel/next.js/commit/a15b974ed707d63ad4da5b74c1441f5b7b120e93\nhttps://github.com/vercel/next.js/releases/tag/v15.1.8\nhttps://github.com/vercel/next.js/security/advisories/GHSA-67rr-84xm-4c7r\nhttps://vercel.com/changelog/cve-2025-49826"], "statement": "This flaw will only affect the availability of services that use Next.js and not the host operating system itself.", "threat_severity": "Moderate"}

{"created": "2025-07-06T22:16:22.826374+00:00", "updated": "2025-07-06T22:16:22.826421+00:00", "vendors": ["vercel", "vercel$PRODUCT$next.js"]}