Concretecms

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    Products: 1
    Vulnerabilities: 221
    Known Exploited: 0
    8
    Critical Level Threats
    46
    High Level Threats
    126
    Medium Level Threats
    18
    Low Level Threats

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    Vulnerabilities

    CVE-2026-18120

    Missing Authorization in legacy Express entries search endpoint allows disclosure of Express entry data

    Last Modified: Sep 21, 2026
    Published: Sep 16, 2026

    CVE-2026-85387

    Concrete CMS before 9.5.4 allows a deactivated user to retain OAuth-authenticated REST API access

    Last Modified: Sep 21, 2026
    Published: Sep 16, 2026

    CVE-2026-87031

    Missing authorization in the REST API user creation endpoint in Concrete CMS 9.2.0 through 9.5.3 allows arbitrary account creation

    Last Modified: Sep 21, 2026
    Published: Sep 16, 2026

    CVE-2026-87028

    Cross-Board IDOR in the Board Custom Slot Preview in Concrete CMS 9.0.0 through 9.5.3 Discloses Restricted Page Summary Fields

    Last Modified: Sep 21, 2026
    Published: Sep 16, 2026

    CVE-2026-85386

    Concrete CMS before 9.5.4 stored is vulneratble to cross-site scripting via unauthenticated XML/XSLT file upload in the Form Block

    Last Modified: Sep 21, 2026
    Published: Sep 16, 2026
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    Concretecms Vulnerabilities & Security CVEs | CVE-DB