CVE-2026-86306

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    CVE-2026-86306

    Published: 7 Sept 2026Last Modified: 8 Oct 2026

    Summary: light0011 cms Cookie Helper UserModel.class.php improper authentication

    Details: A weakness has been identified in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This affects an unknown part of the file App/Home/Model/UserModel.class.php of the component Cookie Helper. Executing a manipulation of the argument Username can lead to improper authentication. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The project was informed of the problem early through an issue report but has not responded yet.

    References: https://github.com/light0011/cms/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86306.json, https://nvd.nist.gov/vuln/detail/CVE-2026-86306, https://vuldb.com/cve/CVE-2026-86306, https://vuldb.com/submit/894817, https://vuldb.com/vuln/399479, https://github.com/light0011/cms/issues/11, https://vuldb.com/vuln/399479/cti

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c774dce31c6df0055568a8d5c53d964d99be199d
    Fixed -None

    Affected versions

    c774dce31c6df0055568a8d5c53d964d99be199d

    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
    CVE-2026-86306 | CVE-DB