CVE-2026-83497
Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-502 |
| Vendor | opensearch |
| Product | opensearch |
| Published | Aug 31, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
OpenSearch / OpenSearch
2.8 ≤ 3.6
Amazon / Amazon OpenSearch Service
2.9 ≤ 3.5