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Vulnerabilities / CVE-2026-104849

high

CVE-2026-104849

tinypool: Tinypool: Prototype Pollution Gadget to RCE in run() options

Published Modified CWE 94, 1321
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA9.5CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Red Hat8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is HIGH. Rated critical by GHSA, Red Hat.

Description

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.

Affected packages and fixed versions

SourcePackageFixed in
npm::GitHub Security Advisory npmtinypool2.1.2
minimoslogto, openclaw, trigger-dev1.45.0-r0 and 2 more
Show all 4 entries from 2 sources
SourcePackageFixed in
npm::GitHub Security Advisory npmtinypool2.1.2
minimoslogto1.45.0-r0
minimosopenclaw2026.9.5-r0
minimostrigger-dev4.5.11-r1

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.