Security Advisory
CVE-2026-83497
8.8
HIGH
Vulnerability 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.
Published Date
August 31, 2026
Official Source
NIST NVD Advisory