tsParticles is a TypeScript library for creating highly customizable particle animations.
CVE-2026-76892
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.
Part of the AI stack
This affects Model Context Protocol, in MCP & tool servers.
Assessment
- CVSS
- 8.7 (v4.0)
- Severity
- High
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 4 November 2026
- Last updated
- 4 November 2026
- Affected
- @tsparticles · tsparticles · mcp-server · tsparticles
- Assigner
- GitHub_M
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
At the source
References
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