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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-83497

Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination

Description

Unrestricted deserialization of untrusted data in the cursor pagination component in the OpenSearch SQL plugin allows a remote authenticated user with basic read/search permissions to execute arbitrary code on the server by sending a crafted cursor parameter to the plugins/sql endpoint.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

OpenSearch OpenSearch

Default version status: unaffected

  • 2.8 to ≤ 3.6affected

Amazon Amazon OpenSearch Service

Default version status: unaffected

  • 2.9 to ≤ 3.5affected

References