CVE-2026-104849

CVE-2026-104849 · Tinypool: Prototype Pollution Gadget to RCE in run() options

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Tinypool is a minimal Node.js worker thread pool implementation. Prior to 2.1.2, Tinypool reads filename from a caller-supplied options object in pool.run(task, options) without requiring an own property, so a polluted Object.prototype.filename can replace the intended worker module. Applications are affected only when they pass their own second-argument options object to pool.run(); calls without that argument use the trusted default options object. An attacker who can first pollute the prototype can cause the worker pool to load attacker-selected JavaScript and can read or modify task data with the host process's privileges. This issue is fixed in version 2.1.2.

CVSS 9.5 · Kritisch · EPSS 0,5% · Öffentlicher Exploit · Korrektur verfügbar

Veröffentlicht

2026-10-02T16:17:28.062Z

Aktualisiert

2026-10-06T16:35:59.948Z

Technologie-Stack: node

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