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    CVE-2026-2728

    LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page.

    Published:Apr 13, 2026
    Last Modified:Apr 22, 2026
    EPS:Apr 13, 2026
    EPSS Score:0.00002
    CVSS Score:4.8

    Affected Products

    Vendor
    Librenms
    Product
    Librenms

    Exploits

    https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630

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    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