CVE-2026-76892

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    CVE-2026-76892

    Published: 4 Nov 2026Last Modified: 8 Nov 2026

    Summary: tsParticles: Malformed JSON requests can terminate the @tsparticles/mcp-server HTTP process

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76892.json, https://github.com/tsparticles/tsparticles/security/advisories/GHSA-4p8p-pjpq-2w7h, https://nvd.nist.gov/vuln/detail/CVE-2026-76892, https://github.com/tsparticles/tsparticles/commit/25fb70e7f527a91568adaef576570289083f243b, https://github.com/tsparticles/tsparticles/pull/5875

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -44ad3740249e218b285bd24a7400b77459bbffa2

    Affected versions

    v4.3.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-76892 | CVE-DB