{"id":"EM-20261109-NGYM","url":"https://cyber.eventmonitor.net/incident/EM-20261109-NGYM/tsparticles-vulnerability-cve-2026-76892/","type":"cve","title":"tsParticles Vulnerability (CVE-2026-76892)","subtitle":"CVE-2026-76892","subject":"CVE-2026-76892","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-09T21:13:55.000Z","firstSignal":"2026-11-04T23:17:58.557Z","lastSignal":"2026-11-09T21:13:55.000Z","updated":"2026-11-09T22:10:41.103Z","revision":1,"life":[{"status":"Born","at":"2026-11-09T21:13:55.000Z","why":"second independent source: C26 GitHub Advisory Database"},{"status":"Developing","at":"2026-11-09T21:13:55.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T23:17:58.557Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-09T21:13:55.000Z","what":"Born: second source, C26 GitHub Advisory Database. Page EM-20261109-NGYM created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T23:17:58.557Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T23:17:58.557Z","detail":"CVSS 8.7 · EPSS 0.3%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T23:17:58.557Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-76892 (CVSS 8.7)","text":"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.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76892"},{"at":"2026-11-09T21:13:55.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":3,"title":"GHSA-4p8p-pjpq-2w7h / CVE-2026-76892: tsParticles: Malformed JSON requests can terminate the @tsparticles/mcp-server HTTP process","text":"npm:@tsparticles/mcp-server","url":"https://github.com/advisories/GHSA-4p8p-pjpq-2w7h"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T23:17:58.557","score":8.7,"severity":"HIGH","desc":"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…","product":"","seen":1794008532627},"kev":null,"epss":{"epss":0.00291,"pct":0.2187,"at":1794262241103},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}