CVE-2026-86239

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    CVE-2026-86239

    Published: 7 Sept 2026Last Modified: 7 Sept 2026

    Summary: liufee FeehiCMS UEditor Widget UeditorAction.php init unrestricted upload

    Details: A vulnerability was identified in liufee FeehiCMS up to 2.1.1. The impacted element is the function UeditorAction::init of the file backend/widgets/ueditor/UeditorAction.php of the component UEditor Widget. The manipulation leads to unrestricted upload. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86239.json, https://github.com/liufee/cms/issues/94, https://github.com/yang5ynag/cve/blob/main/FEHI-001-UEditor-Unauthorized-File-Upload.md, https://nvd.nist.gov/vuln/detail/CVE-2026-86239, https://vuldb.com/cve/CVE-2026-86239, https://vuldb.com/submit/901833, https://vuldb.com/vuln/399396, https://vuldb.com/vuln/399396/cti

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 819254cebbc0ed98c6569325957f2eca390c625b
    Fixed -None

    Affected versions

    2.1.0
    2.1.1
    2.1.0.2
    2.1.0.1

    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