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I. Basic Information for CVE-2026-4818
Vulnerability Information

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Vulnerability Title
Some management operations on data streams are not properly restricted when user does not have the necessary privileges
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Search Guard FLX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Search Guard FLX是德国Search Guard公司的一个加密、认证和授权系统。 Search Guard FLX 3.0.0至4.0.1版本存在安全漏洞,该漏洞源于权限不足的用户可能对数据流执行某些管理操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
floragunnSearch Guard FLX 3.0.0 ~ 4.0.1 -
II. Public POCs for CVE-2026-4818
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III. Intelligence Information for CVE-2026-4818
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IV. Related Vulnerabilities
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