CVE-2026-83497

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.

CVSS Vector

References

• https://aws.amazon.com/security/security-bulletins/2026-092-aws/
• https://opensearch.org/artifacts/by-version/#release-2-19-6
• https://opensearch.org/artifacts/by-version/#release-3-7-0