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    CVE-2026-54708

    FreePBX is an open source IP PBX. Prior to versions 16.0.72 and 17.0.7, a critical vulnerability exists in the FreePBX backup Module that allows authenticated attackers to execute arbitrary code on the server. Authentication with a known username that has sufficient access permissions and/or write access to backup files is required. This vulnerability is caused by improper path sanitization in the backup restore functionality, enabling attackers to upload malicious PHP files to the web root directory. This issue has been patched in versions 16.0.72 and 17.0.7.

    Published:Sep 28, 2026
    Last Modified:Oct 16, 2026
    EPS:Sep 28, 2026
    EPSS Score:0.0045
    CVSS Score:8.8

    Affected Products

    Vendor
    Freepbx
    Product
    Security-reporting
    Vendor
    Sangoma
    Product
    Freepbx

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-26978 (CVSS 8.6) — FreePBX is an open source IP PBX. In versions below 16.0.71 and 17.0.6, the backup module does not properly sa…

    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