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

​CVE ID :CVE-2026-83497

Published : Aug. 31, 2026, 7:17 p.m. | 29 minutes ago

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.

Severity: 8.8 | HIGH

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