{"id":"GHSA-q8wf-6r8g-63ch","revision":null,"records":[{"revision":"d595a726743c4e2f82d4ebee9a3bd38d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-64644","aliases":[],"title":"Next.js: Denial of Service in the Image Optimization API using SVGs","description":"Next.js is a React framework for building full-stack web applications. In versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10, when self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely hosted images if configured (not enabled by default). If those images contain malicious content, they can cause CPU exhaustion in /_next/image endpoints.Only config.images.remotePatterns is affected, and just the patterns in that array, whereas config.images.unoptimized: true, config.images.loader: 'custom', and Vercel are not impacted. This issue has been fixed in versions 15.5.21 and 16.2.11.","state":0,"publishedAt":"2026-07-27T17:54:52.53+00:00","modifiedAt":"2026-07-27T18:35:41.443+00:00","affected":[{"ecosystem":"Vendor product","name":"next.js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vercel\",\n                    \"product\": \"next.js\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 15.5.0, < 15.5.21\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \">= 16.0.0, < 16.2.11\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"}],"references":["https://github.com/vercel/next.js/security/advisories/GHSA-q8wf-6r8g-63ch","https://github.com/vercel/next.js/pull/96006","https://github.com/vercel/next.js/commit/93cb90891402fa4c47798d03cb9e05c13233766c","https://github.com/vercel/next.js/releases/tag/v15.5.21","https://github.com/vercel/next.js/releases/tag/v16.2.11"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-64644","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-64644","identifiers":["CVE-2026-64644"]},"retained":false,"historicalAffected":[]},{"revision":"928d6ce7fae6408d9d598e246ffe76ac","observedAt":"2026-10-25T15:18:45.851+00:00","statement":{"source":"nvd","id":"CVE-2026-64644","aliases":[],"title":"Next.js is a React framework for building full-stack web applications. In versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10, when self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely …","description":"Next.js is a React framework for building full-stack web applications. In versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10, when self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely hosted images if configured (not enabled by default). If those images contain malicious content, they can cause CPU exhaustion in /_next/image endpoints.Only config.images.remotePatterns is affected, and just the patterns in that array, whereas config.images.unoptimized: true, config.images.loader: 'custom', and Vercel are not impacted. This issue has been fixed in versions 15.5.21 and 16.2.11.","state":0,"publishedAt":"2026-07-27T18:16:59.307+00:00","modifiedAt":"2026-10-24T13:10:00.147+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · security-advisories@github.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/vercel/next.js/commit/93cb90891402fa4c47798d03cb9e05c13233766c","https://github.com/vercel/next.js/pull/96006","https://github.com/vercel/next.js/releases/tag/v15.5.21","https://github.com/vercel/next.js/releases/tag/v16.2.11","https://github.com/vercel/next.js/security/advisories/GHSA-q8wf-6r8g-63ch"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-64644","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-407"],"productCriteria":["cpe:2.3:a:vercel:next.js:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-07-27T18:16:59.307","lastModified":"2026-10-24T13:10:00.147"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-64644","identifiers":["CVE-2026-64644"]},"retained":false,"historicalAffected":[]},{"revision":"e6da033214494d1e86c44d504751e799","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-q8wf-6r8g-63ch","aliases":["CVE-2026-64644"],"title":"Next.js: Denial of Service in the Image Optimization API using SVGs","description":"### Impact\n\nWhen self-hosting Next.js with the default image loader, the Image Optimization API can optimize remotely hosted images if configured (not enabled by default). If those images contain malicious content, they can cause CPU exhaustion in  `/_next/image` endpoints.\n\n- If you are using `config.images.remotePatterns`, only the patterns in that array are impacted.\n- If you are using `config.images.unoptimized: true`, you are NOT impacted.\n- If you are using `config.images.loader: 'custom'`, you are NOT impacted.\n- If you are using Vercel, you are NOT impacted.\n\n### Workarounds\n\nIf you cannot upgrade immediately, you can avoid the expensive work by setting `config.experimental.imgOptSkipMetadata : true`.","state":0,"publishedAt":"2026-07-22T23:02:05+00:00","modifiedAt":"2026-09-10T03:50:52.9222048+00:00","affected":[{"ecosystem":"npm","name":"next","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"15.5.0"},{"kind":"fixed","version":"15.5.21"}]}],"versions":[],"rawVersionEvidence":null},{"ecosystem":"npm","name":"next","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"16.0.0"},{"kind":"fixed","version":"16.2.11"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/vercel/next.js/security/advisories/GHSA-q8wf-6r8g-63ch","https://github.com/vercel/next.js/pull/96006","https://github.com/vercel/next.js/commit/93cb90891402fa4c47798d03cb9e05c13233766c","https://github.com/vercel/next.js","https://github.com/vercel/next.js/releases/tag/v15.5.21","https://github.com/vercel/next.js/releases/tag/v16.2.11"],"sourceUrl":"https://github.com/advisories/GHSA-q8wf-6r8g-63ch","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-q8wf-6r8g-63ch","identifiers":["GHSA-q8wf-6r8g-63ch","CVE-2026-64644"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-43321610382942b8ad8c85917eab1546","complete":false,"records":4735,"lastAttemptAt":"2026-10-26T05:26:59.285199+00:00","lastSuccessAt":"2026-10-24T23:18:49.862+00:00","error":"InvalidDataException","lastVerifiedAt":"2026-10-24T23:18:49.862+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":4764,"expectedIdentifiers":13474},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-10-26T05:26:56.6538334+00:00","complete":true,"records":1093,"lastAttemptAt":"2026-10-26T05:26:56.6538334+00:00","lastSuccessAt":"2026-10-26T05:26:56.7998442+00:00","error":null,"lastVerifiedAt":"2026-10-26T05:26:56.799845+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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