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.
Advisories

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Fixes

Solution

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Workaround

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History

Mon, 31 Aug 2026 21:15:00 +0000

Type Values Removed Values Added
First Time appeared Aws
Aws amazon Opensearch Service
Vendors & Products Aws
Aws amazon Opensearch Service

Mon, 31 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
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.
Title Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination
First Time appeared Amazon
Amazon amazon Opensearch Service
Opensearch
Opensearch opensearch
Weaknesses CWE-502
CPEs cpe:2.3:a:amazon:amazon_opensearch_service:*:*:*:*:*:*:*:*
cpe:2.3:a:opensearch:opensearch:*:*:*:*:*:*:*:*
Vendors & Products Amazon
Amazon amazon Opensearch Service
Opensearch
Opensearch opensearch
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-08-31T18:36:30.615Z

Reserved: 2026-08-31T15:56:44.003Z

Link: CVE-2026-83497

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-31T19:17:24.327

Modified: 2026-08-31T19:17:24.327

Link: CVE-2026-83497

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T21:00:05Z

Weaknesses