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I. Basic Information for CVE-2026-1436
Vulnerability Information

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Vulnerability Title
Improper Access Control (IDOR) vulnerability in Graylog Web Interface
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Access Control (IDOR) in the Graylog API, version 2.2.3, which occurs when modifying the user ID in the URL. An authenticated user can access other user's profiles without proper authorization checks. Exploiting this vulnerability allows valid users of the system to be listed and sensitive third-party information to be accessed, such as names, email addresses, internal identifiers, and last activity. The endpoint 'http://<IP>:12900/users/<my_user>' does not implement object-level authorization validations.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Graylog Web Interface 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Graylog Web Interface是美国Graylog公司的一套Web界面。 Graylog Web Interface 2.2.3版本存在安全漏洞,该漏洞源于修改URL中的用户ID时存在访问控制不当,可能导致经过身份验证的用户未经授权访问其他用户配置文件。
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
GraylogGraylog Web Interface 2.2.3 -
II. Public POCs for CVE-2026-1436
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III. Intelligence Information for CVE-2026-1436
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IV. Related Vulnerabilities
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