CVE-2026-4818

HighCVSS 8.1/10Last modified Jul 24, 2026

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-285 CWE-862

Affected software

Vendor	Product	Versions
floragunn	Search Guard FLX	>= 3.0.0, <= 4.0.1

References

https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0Release Notes
https://search-guard.com/cve-advisory/Vendor Advisory

Timeline

Published: Mar 31, 2026
Last modified: Jul 24, 2026
NVD status: Analyzed

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