CVE-2026-83497Unrestricted Java Deserialization in OpenSearch SQL Plugin Cursor Pagination
Updated under an hour ago ()
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It affects OpenSearch and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- AMZN
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
OpenSearch OpenSearch opensearch:opensearch (from the name) | from 2.8 through 3.6 | CNA record |
Amazon Amazon OpenSearch Service amazon:opensearch_service (from the name) | from 2.9 through 3.5 | CNA record |
References
- https://opensearch.org/artifacts/by-version/#release-3-7-0patch, release-notes
- https://opensearch.org/artifacts/by-version/#release-2-19-6patch, release-notes
- https://aws.amazon.com/security/security-bulletins/2026-092-aws/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.