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    CVE-2026-50629

    The 'clientId' parameter from incoming HTTP requests is directly concatenated into OAuth2 server log warning messages without sanitizing control characters. This allows an attacker to inject arbitrary content, including fake log entries, into the server's log files. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.

    Published:Jun 12, 2026
    Last Modified:Aug 7, 2026
    EPS:Jun 12, 2026
    EPSS Score:0.0047
    CVSS Score:5.3

    Affected Products

    Vendor
    Apache
    Product
    Cxf

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-15 Command Delimiters
    CAPEC-81 Web Server Logs Tampering

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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