CVE-2026-19311

HighCVSS 8.1/10Last modified Aug 13, 2026

Description

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-475

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
AWS	OpenSearch	>= 2.4, <= 3.5
Github	OpenSearch	>= 2.4.0, <= 2.19.5; >= 3.0.0, <= 3.7.0

References

Timeline

Published: Aug 12, 2026
Last modified: Aug 13, 2026
NVD status: Awaiting Analysis

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