CVE-2026-83497

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.

Score

CVSS 3.1 8.8 High

Status

Awaiting Analysis - ff89ba41-3aa1-4d27-914a-91399e9639e5

Published

2026-08-31

Last modified

2026-09-01

Weaknesses

CWE-502

Affected products

• Amazon Opensearch Service (Amazon)
• Opensearch (Opensearch)

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