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    CVE-2026-1203

    A weakness has been identified in CRMEB up to 5.6.3. The impacted element is the function remoteRegister of the file crmeb/app/services/user/LoginServices.php of the component JSON Token Handler. Executing a manipulation of the argument uid can lead to improper authentication. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

    Published:Jan 20, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 20, 2026
    EPSS Score:0.00082
    CVSS Score:5.6

    Affected Products

    Vendor
    Crmeb
    Product
    Crmeb

    Exploits

    https://github.com/foeCat/CVE/blob/main/CRMEB/jwt_auth_bypass/remote_register_jwt_bypass.md

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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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