CVE-2026-83497
Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 31, 2026
- Updated
- Sep 1, 2026
- Reserved
- Aug 31, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | AMZN |
| 3.1 | 8.8 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | AMZN |
Weaknesses
- CWE-502 Deserialization of untrusted data
Affected Products
| Product | Versions |
|---|---|
OpenSearchOpenSearch |
|
Amazon OpenSearch ServiceAmazon |
|
References
- https://opensearch.org/artifacts/by-version/#release-3-7-0patchrelease-notes
- https://opensearch.org/artifacts/by-version/#release-2-19-6patchrelease-notes
- https://aws.amazon.com/security/security-bulletins/2026-092-aws/vendor-advisory
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