---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-22-001677"
form_type: "8-K"
ticker: "MELI"
cik: "0001099590"
company_name: "MERCADOLIBRE INC"
filed_at: "2022-03-07T23:59:59+00:00"
generated_at: "2026-06-27T01:02:54.898504+00:00"
event_type: "cyber"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# MercadoLibre reports unauthorized access to source code, 300,000 users' data accessed

## Summary
- Unauthorized access detected to MercadoLibre source code; security protocols activated.
- Data from ~300,000 users (out of ~140 million active) accessed; no evidence of password, financial, or credit card info compromise.
- Company states no infrastructure systems compromised; measures taken to prevent future incidents.

## SEC filing metadata
- accession: 0001171843-22-001677
- form_type: 8-K
- ticker: MELI
- cik: 0001099590
- company_name: MERCADOLIBRE INC
- filed_at: 2022-03-07T23:59:59+00:00
- event_type: cyber
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1099590/000117184322001677/0001171843-22-001677-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1099590/000117184322001677/f8k_030722.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-22-001677
- JSON: https://secwatch.observer/filing/0001171843-22-001677.json
- Plain text: https://secwatch.observer/filing/0001171843-22-001677.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.