HIGH 8.7 NVD
CVE-2026-18428
A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote authenticated actor with async query access to e
A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote authenticated actor with async query access to execute arbitrary code on Apache Spark workers by sending a crafted SQL query to the direct query endpoint.
References
- https://aws.amazon.com/security/security-bulletins/2026-081-aws/
- https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html
- https://github.com/opensearch-project/sql/security/advisories/GHSA-g4jr-343c-fvjm
- https://opensearch.org/artifacts/by-version/?_gl=1*d14pqp*_up*MQ..*_ga*Nzc5NTAxNzM2LjE3ODM
- https://opensearch.org/artifacts/by-version/?_gl=1*d14pqp*_up*MQ..*_ga*Nzc5NTAxNzM2LjE3ODM
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-08-13 via NVD.
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