CVE-2026-83497 - OpenSearch SQL Plugin - Unrestricted Java Deserialization in Cursor Pagination

Amazon OpenSearch ยท 2026-10-21

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Technical Details

Affected Versions v2.8 to v3.6 (open-source), v2.9 to v3.5 (AWS Managed)
Regions all
CVE IDs CVE-2026-83497
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update OpenSearch SQL Plugin to versions 2.19.6 or 3.7 for open-source deployments, and apply the latest service software update for Amazon OpenSearch Service domains to address CVE-2026-83497 and prevent security risks.

For Platform Teams

Deploy the latest OpenSearch SQL Plugin versions and service software updates to ensure the platform remains secure against the CVE-2026-83497 vulnerability, reducing the risk of unauthorized code execution.

For Executives

Implement immediate updates to mitigate CVE-2026-83497, a critical security vulnerability in OpenSearch SQL Plugin, to prevent potential unauthorized code execution and protect data integrity.

Source

View original AWS announcement โ†’

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