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

Date Oct 5, 2026
Type Vendor advisory
Signal Critical vendor advisory
Vendor / Product npm ยท tinypool
CVE CVE-2026-104849
Critical vendor advisory CVE-2026-104849

Summary

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

Why it matters

GitHub has published a reviewed security advisory for tinypool. Prioritize it with other application dependency updates, especially because EPSS places it in the 31% percentile.

Operator check

Check whether tinypool is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.5. EPSS probability: 0.4%; percentile: 31%.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.