CVE-2026-4799— Open redirect vulnerability in Search Guard Kibana Plugin via manipulated requests
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I. Basic Information for CVE-2026-4799
Vulnerability Information
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Vulnerability Title
Open redirect vulnerability in Search Guard Kibana Plugin via manipulated requests
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
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 4.0.1及之前版本存在安全漏洞，该漏洞源于可能使用特制请求将用户重定向到不可信URL。
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 ~ 4.0.1 | - |
II. Public POCs for CVE-2026-4799
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · floragunn · 2026-03-31 · 3 CVEs total
| CVE-2026-4818 | 6.8 MEDIUM | Some management operations on data streams are not properly restricted when user does not |
| CVE-2026-4819 | 4.9 MEDIUM | Search Guard audit logs can contain under certain conditions user credentials |
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-2025-13653
Unauthorized access to documents in data streams with specia - CVE-2025-12149
Unauthorized access to documents protected by Document-Level - CVE-2025-12148
Unauthorized access to fields protected by Field Masking (FM
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-2025-13653
Unauthorized access to documents in data streams with specia - CVE-2025-12149
Unauthorized access to documents protected by Document-Level - CVE-2025-12148
Unauthorized access to fields protected by Field Masking (FM
Same weakness: CWE-601
- CVE-2026-42350
Kargo: Open Redirect in UI OIDC Login Flow via redirectTo Qu - CVE-2026-42195
Unvalidated gitlab URL parameter redirects OAuth authorize s - CVE-2026-3318
Multiple vulnerabilities in Cradle e-commerce - CVE-2026-42259
Saltcorn: Open Redirect in `POST /auth/login` due to incompl - CVE-2026-6795
Open Redirect in DivvyDrive Information Technologies' DivvyD
V. Comments for CVE-2026-4799
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