{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22803","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-01-09T22:50:10.287Z","datePublished":"2026-01-15T18:37:57.831Z","dateUpdated":"2026-01-15T19:06:13.528Z"},"containers":{"cna":{"title":"SvelteKit has a memory amplification DoS in Remote Functions binary form deserializer","problemTypes":[{"descriptions":[{"cweId":"CWE-789","lang":"en","description":"CWE-789: Memory Allocation with Excessive Size Value","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/sveltejs/kit/security/advisories/GHSA-j2f3-wq62-6q46","tags":["x_refsource_CONFIRM"],"url":"https://github.com/sveltejs/kit/security/advisories/GHSA-j2f3-wq62-6q46"},{"name":"https://github.com/sveltejs/kit/commit/8ed8155215b9a74012fecffb942ad9a793b274e5","tags":["x_refsource_MISC"],"url":"https://github.com/sveltejs/kit/commit/8ed8155215b9a74012fecffb942ad9a793b274e5"},{"name":"https://github.com/sveltejs/kit/releases/tag/@sveltejs%2Fadapter-node@5.5.1","tags":["x_refsource_MISC"],"url":"https://github.com/sveltejs/kit/releases/tag/@sveltejs%2Fadapter-node@5.5.1"}],"affected":[{"vendor":"sveltejs","product":"kit","versions":[{"version":">= 2.49.0, < 2.49.5","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-01-15T18:37:57.831Z"},"descriptions":[{"lang":"en","value":"SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From 2.49.0 to 2.49.4, the experimental form remote function uses a binary data format containing a representation of submitted form data. A specially-crafted payload can cause the server to allocate a large amount of memory, causing DoS via memory exhaustion. This vulnerability is fixed in 2.49.5."}],"source":{"advisory":"GHSA-j2f3-wq62-6q46","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-15T19:06:02.781041Z","id":"CVE-2026-22803","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":"2026-01-15T19:06:13.528Z"}}]}}