CVE-2026-4818

8.1 highEPSS 0.2%

High (8.1) in search-guard flx. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.1 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWEs: CWE-285, CWE-862
Published: 2026-03-31
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

Affected

search-guard:flx

References

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

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