CVE-2026-19311- Missing Authorization in OpenSearch Alerting Plugin

Amazon OpenSearch ยท 2026-10-21

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Technical Details

Affected Versions 2.4.0 through 2.19.5, 3.0.0 through 3.7.0
Regions all
CVE IDs CVE-2026-19311
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update OpenSearch Alerting Plugin to version 2.19.6 or 3.8.0, and ensure Amazon OpenSearch Service domains are running the latest service software to address CVE-2026-19311 and prevent unauthorized data access.

For Platform Teams

Deploy the latest OpenSearch Alerting Plugin and service software updates to maintain secure and compliant data operations, reducing the risk of unauthorized data modifications.

For Executives

Implement immediate updates to mitigate CVE-2026-19311, a critical security vulnerability in OpenSearch Alerting Plugin, to prevent unauthorized data access and modifications, ensuring data integrity and compliance.

Source

View original AWS announcement โ†’

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