CVE-2026-4818

high

Description

In Search Guard FLX versions from 3.0.0 up to 4.0.1, there exists an issue which allows users without the necessary privileges to execute some management operations against data streams.

References

https://search-guard.com/cve-advisory/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-17506

https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0

Details

Source: Mitre, NVD

Published: 2026-03-31

Updated: 2026-07-24

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 8.1

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