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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://aws.amazon.com/about-aws/whats-new/2026/03/amazon-opensearch-service-version-3-5/
https://aws.amazon.com/security/security-bulletins/2026-078-aws/
https://github.com/opensearch-project/alerting/security/advisories/GHSA-xxpg-q3wh-685q

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-12 19:17

Updated : 2026-08-13 15:19

NVD link : CVE-2026-19311

Mitre link : CVE-2026-19311

CVE.ORG link : CVE-2026-19311

JSON object : View

Products Affected

No product.

CWE

CWE-475

Undefined Behavior for Input to API

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