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CVE-2026-18428

SQL Query Validation Bypass in OpenSearch Direct Query

Published
Last modified
published
Not listed in CISA KEV
Fix
Fix or patch referenced
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • AWS Opensearch

    From 2.13 · through 3.5

  • Github Opensearch

    From 2.13 · through 3.6

References 5

opensearch.org

docs.aws.amazon.com

GitHub · opensearch-project/sql

aws.amazon.com