CVE-2026-83497
OpenSearch, Amazon / Amazon.com, Inc. · published 2026-08-31
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by AMZN via the CVE Program.
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.
Filed by AMZN; not a statement by OpenSearch, Amazon / Amazon.com, Inc..
Status at the source
- NVD status: Awaiting Analysis — NVD has not analysed this CVE.
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| OpenSearch | OpenSearch | 2.8 – 3.6 and earlier: affected |
| Amazon | Amazon OpenSearch Service | 2.9 – 3.5 and earlier: affected |
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 4.0: 8.7 HIGH — as published by AMZN (Secondary)
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1: 8.8 HIGH — as published by AMZN (Secondary)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- 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
Source dates: published 2026-08-31, last changed 2026-09-03. DeSpy's copy of this version is dated 2026-09-28.
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