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    CVE-2026-8593

    Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules

    Published:Jul 21, 2026
    Last Modified:Jul 21, 2026
    EPS:Jul 21, 2026
    EPSS Score:0.00207
    CVSS Score:5.3

    Affected Products

    Vendor
    Checkmk
    Product
    Checkmk

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-15576 (CVSS 6.9) — Improper authentication in the agent receiver of Checkmk <2.5.0p10 allows an unauthenticated remote attacker t…
    CVE-2026-7485 (CVSS 2.3) — Incorrect authorization in frozen BI aggregations in Checkmk <2.5.0p2, <2.4.0p29, <2.3.0p47, and all 2.2.0 ver…
    CVE-2026-15227 (CVSS 5.3) — Missing authorization in Checkmk <2.5.0p10, <2.4.0p35, <2.3.0p49, and 2.2.0 (EOL) allows an authenticated user…
    CVE-2026-14852 (CVSS 5.2) — Privilege escalation in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, a…
    CVE-2026-9549 (CVSS 4.8) — Stored cross-site scripting in the service discovery active check output in Checkmk <2.5.0p5, <2.4.0p31, <2.3.…
    CVE-2026-8833 (CVSS 8.5) — Improper neutralization of HTML-encoded characters in the URL validation function in Checkmk <2.5.0p5, <2.4.0p…
    CVE-2026-8078 (CVSS 4.8) — Stored cross-site scripting in the global settings change log in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and a…
    CVE-2026-7765 (CVSS 6.3) — Incorrect authorization in the User Messages dashboard widget in Checkmk <2.5.0p5 causes the message-fetching …

    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