CVE-2026-4818 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Tue, 31 Mar 2026 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 31 Mar 2026 15:30:00 +0000

Type	Values Removed	Values Added
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.
Title		Some management operations on data streams are not properly restricted when user does not have the necessary privileges
Weaknesses		CWE-285 CWE-862
References		https://docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0 https://search-guard.com/cve-advisory/
Metrics		cvssV3_1 `{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: floragunn

Published: 2026-03-31T14:53:19.875Z

Updated: 2026-03-31T17:23:23.853Z

Reserved: 2026-03-25T13:44:35.684Z

Link: CVE-2026-4818

Vulnrichment

Updated: 2026-03-31T17:23:18.597Z

NVD

Status : Received

Published: 2026-03-31T16:16:34.580

Modified: 2026-03-31T16:16:34.580

Link: CVE-2026-4818

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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