CVE-2026-19311

Missing Authorization in Execute Monitor API in OpenSearch Alerting Plugin

Published Aug 12, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Missing Authorization in Execute Monitor API in OpenSearch Alerting Plugin
First Time appeared Aws
Aws opensearch
Github
Github opensearch
Weaknesses CWE-475
CPEs cpe:2.3:a:aws:opensearch:*:*:*:*:*:*:*:*
cpe:2.3:a:github:opensearch:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws opensearch
Github
Github opensearch
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Aug 13, 2026, 2:53 PM
Reserved
Aug 7, 2026, 5:50 PM
Status
Awaiting Analysis
Published
Aug 12, 2026, 7:17 PM
Modified
Aug 13, 2026, 3:19 PM