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    CVE-2025-30373

    Graylog is a free and open log management platform. Starting with 6.1, HTTP Inputs can be configured to check if a specified header is present and has a specified value to authenticate HTTP-based ingestion. Unfortunately, even though in cases of a missing header or a wrong value the correct HTTP response (401) is returned, the message will be ingested nonetheless. To mitigate the vulnerability, disable http-based inputs and allow only authenticated pull-based inputs. This vulnerability is fixed in 6.1.9.

    Published:Apr 7, 2025
    Last Modified:Oct 30, 2025
    EPS:Apr 7, 2025
    EPSS Score:0.00018
    CVSS Score:6.5

    Affected Products

    Vendor
    Graylog
    Product
    Graylog

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-285 Improper Authorization

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High