Tinypool: Prototype Pollution gadget in worker options leads to Remote Code Execution
Critical vendor advisory
CVE-2026-104848
Summary
Tinypool: Prototype Pollution gadget in worker options leads to Remote Code Execution
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 41% 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: 0.5%; percentile: 41%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.