{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-27979", "tracking": { "current_release_date": "2026-03-22T14:54:42.477239Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27979", "initial_release_date": "2026-03-17T12:16:03.928912Z", "revision_history": [ { "date": "2026-03-17T12:16:03.928912Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Products created (2).| References created (7)." }, { "date": "2026-03-17T12:16:07.748855Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-17T16:39:57.772272Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-17T16:40:06.133453Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-18T01:25:05.052919Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-18T01:25:11.544304Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-18T01:38:31.839060Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| References created (3).| CWES updated (1)." }, { "date": "2026-03-18T01:38:34.220383Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-03-18T16:00:58.801544Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-18T16:01:09.578904Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-03-18T20:25:53.192012Z", "number": "11", "summary": "CVSS created.| Products connected (1).| Product Identifiers created (1)." }, { "date": "2026-03-18T20:25:55.328781Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-18T20:38:53.461828Z", "number": "13", "summary": "Unknown change." }, { "date": "2026-03-19T00:28:41.895422Z", "number": "14", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (12).| Product Identifiers created (5).| Product Remediations created (12).| References created (5).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-03-19T00:28:50.344664Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:30:55.663997Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-19T15:31:00.456099Z", "number": "17", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:39:08.569767Z", "number": "18", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T18:16:46.812537Z", "number": "19", "summary": "References created (1)." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<15.5.13", "product": { "name": "vers:unknown/<15.5.13", "product_id": "CSAFPID-5833679" } }, { "category": "product_version_range", "name": "vers:unknown/<16.1.7", "product": { "name": "vers:unknown/<16.1.7", "product_id": "CSAFPID-5833678" } }, { "category": "product_version_range", "name": "vers:unknown/>=16.0.1|<16.1.7", "product": { "name": "vers:unknown/>=16.0.1|<16.1.7", "product_id": "CSAFPID-5840721", "product_identification_helper": { "cpe": "cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*" } } } ], "category": "product_name", "name": "Next.js" } ], "category": "vendor", "name": "Vercel" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/9", "product": { "name": "vers:rpm/9", "product_id": "CSAFPID-1439319", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:9" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/3", "product": { "name": "vers:rpm/3", "product_id": "CSAFPID-5198605", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux_ai:3" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux AI (RHEL AI) 3" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/1", "product": { "name": "vers:rpm/1", "product_id": "CSAFPID-1441204", "product_identification_helper": { "cpe": "cpe:/a:redhat:trusted_artifact_signer:1" } } } ], "category": "product_name", "name": "Red Hat Trusted Artifact Signer" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5205180" } } ], "category": "product_name", "name": "bootc-cuda-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5811351" } } ], "category": "product_name", "name": "bootc-rocm-rhel9" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5205182" } } ], "category": "product_name", "name": "disk-image-cuda-rhel9" } ], "category": "product_family", "name": "Red Hat Enterprise Linux AI (RHEL AI) 3" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-2467458" } } ], "category": "product_name", "name": "com.github.streamshub-console" } ], "category": "product_family", "name": "streams for Apache Kafka 2" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-3026118" } } ], "category": "product_name", "name": "com.github.streamshub-console" } ], "category": "product_family", "name": "streams for Apache Kafka 3" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459359" } } ], "category": "product_name", "name": "dotnet7.0" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 9" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-1459362" } } ], "category": "product_name", "name": "rekor-search-ui-rhel9" } ], "category": "product_family", "name": "Red Hat Trusted Artifact Signer" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/2", "product": { "name": "vers:rpm/2", "product_id": "CSAFPID-2467457", "product_identification_helper": { "cpe": "cpe:/a:redhat:amq_streams:2" } } } ], "category": "product_name", "name": "streams for Apache Kafka 2" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/3", "product": { "name": "vers:rpm/3", "product_id": "CSAFPID-3026117", "product_identification_helper": { "cpe": "cpe:/a:redhat:amq_streams:3" } } } ], "category": "product_name", "name": "streams for Apache Kafka 3" } ], "category": "vendor", "name": "Red Hat" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27979", "cwe": { "id": "CWE-770", "name": "Allocation of Resources Without Limits or Throttling" }, "notes": [ { "category": "description", "text": "## Summary\nA request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consistently enforcing `maxPostponedStateSize` in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments remained vulnerable to the same unbounded postponed resume-body buffering behavior.\n\n## Impact\nIn applications using the App Router with Partial Prerendering capability enabled (via `experimental.ppr` or `cacheComponents`), an attacker could send oversized `next-resume` POST payloads that were buffered without consistent size enforcement in non-minimal deployments, causing excessive memory usage and potential denial of service.\n\n## Patches\nFixed by enforcing size limits across all postponed-body buffering paths and erroring when limits are exceeded. \n\n## Workarounds\nIf upgrade is not immediately possible:\n- Block requests containing the `next-resume` header, as this is never valid to be sent from an untrusted client.", "title": "github - https://github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "description", "text": "Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, a request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consistently enforcing `maxPostponedStateSize` in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments remained vulnerable to the same unbounded postponed resume-body buffering behavior. In applications using the App Router with Partial Prerendering capability enabled (via `experimental.ppr` or `cacheComponents`), an attacker could send oversized `next-resume` POST payloads that were buffered without consistent size enforcement in non-minimal deployments, causing excessive memory usage and potential denial of service. This is fixed in version 16.1.7 by enforcing size limits across all postponed-body buffering paths and erroring when limits are exceeded. If upgrading is not immediately possible, block requests containing the `next-resume` header, as this is never valid to be sent from an untrusted client.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27979" }, { "category": "description", "text": "Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, a request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consistently enforcing `maxPostponedStateSize` in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments remained vulnerable to the same unbounded postponed resume-body buffering behavior. In applications using the App Router with Partial Prerendering capability enabled (via `experimental.ppr` or `cacheComponents`), an attacker could send oversized `next-resume` POST payloads that were buffered without consistent size enforcement in non-minimal deployments, causing excessive memory usage and potential denial of service. This is fixed in version 16.1.7 by enforcing size limits across all postponed-body buffering paths and erroring when limits are exceeded. If upgrading is not immediately possible, block requests containing the `next-resume` header, as this is never valid to be sent from an untrusted client.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27979" }, { "category": "description", "text": "A denial of service flaw has been discovered in Next.js. A request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consistently enforcing `maxPostponedStateSize` in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments remained vulnerable to the same unbounded postponed resume-body buffering behavior. In applications using the App Router with Partial Prerendering capability enabled (via `experimental.ppr` or `cacheComponents`), an attacker could send oversized `next-resume` POST payloads that were buffered without consistent size enforcement in non-minimal deployments, causing excessive memory usage and potential denial of service.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-27979" }, { "category": "description", "text": "## Summary\nA request containing the `next-resume: 1` header (corresponding with a PPR resume request) would buffer request bodies without consistently enforcing `maxPostponedStateSize` in certain setups. The previous mitigation protected minimal-mode deployments, but equivalent non-minimal deployments remained vulnerable to the same unbounded postponed resume-body buffering behavior.\n\n## Impact\nIn applications using the App Router with Partial Prerendering capability enabled (via `experimental.ppr` or `cacheComponents`), an attacker could send oversized `next-resume` POST payloads that were buffered without consistent size enforcement in non-minimal deployments, causing excessive memory usage and potential denial of service.\n\n## Patches\nFixed by enforcing size limits across all postponed-body buffering paths and erroring when limits are exceeded. \n\n## Workarounds\nIf upgrade is not immediately possible:\n- Block requests containing the `next-resume` header, as this is never valid to be sent from an untrusted client.", "title": "github - https://api.github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "other", "text": "0.00042", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N", "title": "CVSSV4" }, { "category": "other", "text": "6.9", "title": "CVSSV4 base score" }, { "category": "other", "text": "4.8", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, The value of the most recent CVSS (V4) score", "title": "NCSC Score top increasing factors" }, { "category": "details", "text": "Severity: 2\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5833678", "CSAFPID-5833679", "CSAFPID-5840721", "CSAFPID-1439319", "CSAFPID-1441204", "CSAFPID-1459359", "CSAFPID-1459362", "CSAFPID-2467457", "CSAFPID-2467458", "CSAFPID-3026117", "CSAFPID-3026118", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351" ] }, "references": [ { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0748.json" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27979" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27979" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27979" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27979.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27979" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-27979" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27979.json" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0748.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0748" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-3x4c-7xq6-9pq8" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-ggv3-7p47-pfv8" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; github; nvd; redhat", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-jcc7-9wpm-mj36" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://github.com/vercel/next.js/security/advisories/GHSA-mq59-m269-xvcx" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; redhat", "url": "https://github.com/vercel/next.js/commit/c885d4825f800dd1e49ead37274dcd08cdd6f3f1" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; redhat", "url": "https://github.com/vercel/next.js/releases/tag/v16.1.7" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-h27x-g6w4-24gq" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27979" }, { "category": "external", "summary": "Reference - github; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27979" } ], "remediations": [ { "category": "mitigation", "details": "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.", "product_ids": [ "CSAFPID-1439319", "CSAFPID-1441204", "CSAFPID-1459359", "CSAFPID-1459362", "CSAFPID-2467457", "CSAFPID-2467458", "CSAFPID-3026117", "CSAFPID-3026118", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351" ] } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-1439319", "CSAFPID-1441204", "CSAFPID-1459359", "CSAFPID-1459362", "CSAFPID-2467457", "CSAFPID-2467458", "CSAFPID-3026117", "CSAFPID-3026118", "CSAFPID-5198605", "CSAFPID-5205180", "CSAFPID-5205182", "CSAFPID-5811351", "CSAFPID-5833678", "CSAFPID-5833679", "CSAFPID-5840721" ] } ], "title": "CVE-2026-27979" } ] }