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    CVE-2025-15581

    Orthanc versions before 1.12.10 are affected by an authorisation logic flaw in the application's HTTP Basic Authentication implementation. Successful exploitation could result in Privilege Escalation, potentially allowing full administrative access.

    Published:Feb 18, 2026
    Last Modified:Apr 15, 2026
    EPS:Feb 18, 2026
    EPSS Score:0.00038
    CVSS Score:4.7

    Affected Products

    Vendor
    Orthanc-server
    Product
    Orthanc

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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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