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

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...

CVE-2026-83497

CVE-2026-83497 is an unrestricted Java deserialization vulnerability in the cursor pagination component of the OpenSearch SQL plugin . A remote authenticated user with basic read/search permissions can execute arbitrary code on the server by sending a crafted cursor parameter to the /_plugins/_sq...

PT-2026-83958

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...

EUVD-2026-58178

A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote authenticated actor with async query access to execute arbitrary code on Apache Spark workers by sending a crafted SQL query to the direct query endpoint...