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8.7 High

CVE-2026-18428 A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote…

Description

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.

Affected products and versions

Product Affected versions Fixed in
OpenSearch 2.13 2.13 → 3.5 No fix stated
OpenSearch 2.13 2.13 → 3.6 No fix stated

References

Timeline

  1. Published
  2. Last modified

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