CVE-2026-77811 - Stored Cross-Site Scripting via Integration Template Asset in OpenSearch Dashboards

Opensearch Dashboards ยท 2026-10-21

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Technical Details

Affected Versions before 3.4, before 2.19.6
Regions all
CVE IDs CVE-2026-77811
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update OpenSearch Dashboards to versions 3.4 or 2.19.6 and apply the latest service software update for Amazon OpenSearch Service to patch the stored cross-site scripting vulnerability (CVE-2026-77811).

For Platform Teams

Deploy the latest versions of OpenSearch Dashboards and ensure all Amazon OpenSearch Service domains are updated to the latest service software to address the stored cross-site scripting vulnerability (CVE-2026-77811).

For Executives

Implement immediate updates to address the stored cross-site scripting vulnerability (CVE-2026-77811) in OpenSearch Dashboards to mitigate security risks and protect user data integrity.

Source

View original AWS announcement โ†’

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