CVE-2026-19311

Missing authorization in the Execute Monitor API in Amazon OpenSearch Alerting plugin might allow an authenticated remote user to read, modify, or delete arbitrary index data via a crafted inline monitor request with unintentional data source and input index parameters.

  • Published Aug 12, 2026
  • CVSS 8.6 high
  • 0.6% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-19311 at the National Vulnerability Database