# tinypool (npm) vulnerabilities

2 known vulnerabilities (2 critical), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 2.2.0 (Sep 13, 2026): no advisory affects it
- Newest unaffected release: 2.2.0 (Sep 13, 2026), the latest release
- Weekly downloads: 65.9M
- Dependents: 430
- Releases: 40 since 0.0.0 (Dec 17, 2021)
- Registry: https://www.npmjs.com/package/tinypool
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-104849: 0.0.0 to 2.1.1 (2.1.2 is outside it)
- CVE-2026-104848: 0.0.0 to 2.1.0 (2.1.1 is outside it)

## Advisories (2)

### [CVE-2026-104849](https://cve.now/CVE-2026-104849): Tinypool: Prototype Pollution Gadget to RCE in run() options

- Severity: Critical 9.5
- Published: Oct 2, 2026
- Affected: fixed in 2.1.2.
- Fixed in 2.1.2 (released Aug 23, 2026, 40 days before disclosure).
- The latest release, 2.2.0, is not affected.
- 70% of tinypool downloads last week were affected versions (51M).

### [CVE-2026-104848](https://cve.now/CVE-2026-104848): Tinypool: Prototype Pollution gadget in worker options leads to Remote Code Execution

- Severity: Critical 9.5
- Published: Oct 2, 2026
- Affected: fixed in 2.1.1.
- Fixed in 2.1.1 (released Aug 23, 2026, 40 days before disclosure).
- The latest release, 2.2.0, is not affected.
- 70% of tinypool downloads last week were affected versions (51M).

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