# mercadopago (npm) vulnerabilities

1 known vulnerability (1 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 3.6.1 (Sep 9, 2026): no advisory affects it
- Newest unaffected release: 3.6.1 (Sep 9, 2026), the latest release
- Weekly downloads: 295.3K
- Dependents: 5
- Releases: 112 since 0.0.2 (Oct 10, 2012)
- Registry: https://www.npmjs.com/package/mercadopago
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-76842: 0.0.2 to 3.4.0 (3.5.0 is outside it)

## Advisories (1)

### [CVE-2026-76842](https://cve.now/CVE-2026-76842): Mercado Pago Node.js SDK through 3.4.0 Path Injection via Unencoded Identifiers in Payment Clients

- Severity: High 8.8
- Published: Aug 24, 2026
- Affected: through 3.4.0.
- Fixed in 3.5.0 (released Aug 26, 2026, 2 days after disclosure), the first release outside every affected range (no listed fixed version clears them all).
- The latest release, 3.6.1, is not affected.
- 82% of mercadopago downloads last week were affected versions (276.6K).

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