VULNERABILITY INTELLIGENCE
CVE-2026-18428
CVSS score8.8 HIGH
EPSS probability1.00%
CISA KEVNot currently listed
Published2026-08-13
Last modified2026-08-14
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- ff89ba41-3aa1-4d27-914a-91399e9639e5: CWE-693