CVE-2026-4818

EUVD-2026-17506
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Affected Products (NVD)
VendorProductVersion
search-guardflx
3.0.0 ≤
𝑥
< 4.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0
https://search-guard.com/cve-advisory/