CVE-2025-12147— Unauthorized access to fields protected by Field-Level Security (FLS) when those fields are members of an object
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I. Basic Information for CVE-2025-12147
Vulnerability Information
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Vulnerability Title
Unauthorized access to fields protected by Field-Level Security (FLS) when those fields are members of an object
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Search Guard FLX versions 3.1.1 and earlier, Field-Level Security (FLS) rules are improperly enforced on object-valued fields. When an FLS exclusion rule (e.g., ~field) is applied to a field which contains an object as its value, the object is correctly removed from the _source returned by search operations. However, the object members (i.e., child attributes) remain accessible to search queries. This exposure allows adversaries to infer or reconstruct the original contents of the excluded object. Workaround - If you cannot upgrade immediately and FLS exclusion rules are used for object valued attributes (like ~object), add an additional exclusion rule for the members of the object (like ~object.*).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Floragunn Search Guard FLX 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Floragunn Search Guard FLX是德国Floragunn公司的一款用于保护Elastic Search的安全组件。 Floragunn Search Guard FLX 3.1.1及之前版本存在安全漏洞，该漏洞源于对象值字段的字段级安全规则执行不当，可能导致攻击者推断或重建被排除对象的原始内容。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| floragunn | Search Guard FLX | 1.0.0 ~ 3.1.1 | - |
II. Public POCs for CVE-2025-12147
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Search Guard FLX
- CVE-2026-4819
Search Guard audit logs can contain under certain conditions - CVE-2026-4818
Some management operations on data streams are not properly - CVE-2026-4799
Open redirect vulnerability in Search Guard Kibana Plugin vi - CVE-2025-13653
Unauthorized access to documents in data streams with specia - CVE-2025-12149
Unauthorized access to documents protected by Document-Level
Same vendor: floragunn
- CVE-2026-4819
Search Guard audit logs can contain under certain conditions - CVE-2026-4818
Some management operations on data streams are not properly - CVE-2026-4799
Open redirect vulnerability in Search Guard Kibana Plugin vi - CVE-2025-13653
Unauthorized access to documents in data streams with specia - CVE-2025-12149
Unauthorized access to documents protected by Document-Level
Same weakness: CWE-200
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quarkus-openapi-generator has overly broad path-parameter ma - CVE-2026-8198
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