CVE-2026-86271

    Dashboard / Vulnerabilities / CVE-2026-86271

    CVE-2026-86271

    Published: 7 Sept 2026Last Modified: 11 Sept 2026

    Summary: FluentCMS PermissionManager.cs GetAccessible authorization

    Details: A vulnerability was found in FluentCMS up to 0.0.5. This affects the function GetAccessible of the file src/Backend/FluentCMS.Services/Permissions/PermissionManager.cs. Performing a manipulation results in missing authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

    References: https://github.com/fluentcms/FluentCMS/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86271.json, https://nvd.nist.gov/vuln/detail/CVE-2026-86271, https://vuldb.com/cve/CVE-2026-86271, https://vuldb.com/submit/904824, https://vuldb.com/vuln/399430, https://github.com/fluentcms/FluentCMS/issues/2409, https://vuldb.com/vuln/399430/cti

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5c109ea62955cc3404a2878c75a8939a7ee8ddd4
    Fixed -None

    Affected versions

    0.0.1
    0.0.2
    0.0.3
    0.0.4
    0.0.5

    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-2026-86271 | CVE-DB