CVE-2026-83497

8.7 highEPSS 1.0%

High (8.7). EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2026-08-31
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

References

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

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