Description
In Search Guard FLX versions from 3.1.0 up to 4.0.0 with enterprise modules being disabled, there exists an issue which allows authenticated users to use specially crafted requests to read documents from data streams without having the respective privileges.
References (2)
Core 2
Core References
Various Sources
https://search-guard.com/cve-advisory/
Scores
CVSS v3
4.3
EPSS
0.0017
EPSS Percentile
6.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
CWE-863
Status
published
Products (1)
floragunn/Search Guard FLX
3.1.0 - 4.0.0
Published
Dec 01, 2025
Tracked Since
Feb 18, 2026