CVE-2026-4818HIGH 6.8EPSS p23.9%

CVE-2026-4818CVE-2026-4818

search-guard / flx

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.

Scoring

CVSS 3.16.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.33% probability of exploitation · percentile 23.9% · 2026-10-06T12:00:23Z
Published2026-03-31
Last modified2026-07-24

Underlying weaknesses· 2

CWE-285CWE-862

References

  1. https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0
  2. https://search-guard.com/cve-advisory/

2

TypeTargetConfidenceTier
WeaknessImproper Authorizationcwe-2850%live
WeaknessMissing Authorizationcwe-8620%live

Related by meaning· 6

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.