{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76892","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-19T22:43:14.889Z","datePublished":"2026-11-04T22:14:13.918Z","dateUpdated":"2026-11-04T22:14:13.918Z"},"containers":{"cna":{"title":"tsParticles: Malformed JSON requests can terminate the @tsparticles/mcp-server HTTP process","problemTypes":[{"descriptions":[{"cweId":"CWE-248","lang":"en","description":"CWE-248: Uncaught Exception","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/tsparticles/tsparticles/security/advisories/GHSA-4p8p-pjpq-2w7h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/tsparticles/tsparticles/security/advisories/GHSA-4p8p-pjpq-2w7h"},{"name":"https://github.com/tsparticles/tsparticles/pull/5875","tags":["x_refsource_MISC"],"url":"https://github.com/tsparticles/tsparticles/pull/5875"},{"name":"https://github.com/tsparticles/tsparticles/commit/25fb70e7f527a91568adaef576570289083f243b","tags":["x_refsource_MISC"],"url":"https://github.com/tsparticles/tsparticles/commit/25fb70e7f527a91568adaef576570289083f243b"}],"affected":[{"vendor":"tsparticles","product":"tsparticles","versions":[{"version":"< 4.3.1","status":"affected"}]},{"vendor":"@tsparticles","product":"mcp-server","versions":[{"version":"< 4.3.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-11-04T22:14:13.918Z"},"descriptions":[{"lang":"en","value":"tsParticles is a TypeScript library for creating highly customizable particle animations. Prior to 4.3.1, the HTTP mode of @tsparticles/mcp-server calls JSON.parse outside a request-local error boundary in the POST /mcp handler in integrations/mcp-server/src/index.ts. A single unauthenticated malformed JSON body raises a SyntaxError that terminates the Node.js process, leaving the MCP service unavailable until an external supervisor restarts it. This issue is fixed in version 4.3.1."}],"source":{"advisory":"GHSA-4p8p-pjpq-2w7h","discovery":"UNKNOWN"}}}}