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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
OpenSearch OpenSearch unaffected
Version Status Constraints
2.8 affected ≤ 3.6
Amazon Amazon OpenSearch Service unaffected
Version Status Constraints
2.9 affected ≤ 3.5

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Amazon Subscribe
Amazon Opensearch Service Subscribe
Opensearch Subscribe
Opensearch Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://aws.amazon.com/security/security-bulletins/2026-092-aws/ cve-icon cve-icon
https://opensearch.org/artifacts/by-version/#release-2-19-6 cve-icon cve-icon
https://opensearch.org/artifacts/by-version/#release-3-7-0 cve-icon cve-icon
History

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: 2026-08-31T19:30:05Z

Weaknesses