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    CVE-2026-66139

    OpenStack Zaqar through 22.0.0 allows authentication bypass via an EXTRA-SPEC header when a UUID is known.

    Published:Jul 24, 2026
    Last Modified:Aug 3, 2026
    EPS:Jul 24, 2026
    EPSS Score:0.00294
    CVSS Score:4.8

    Affected Products

    Vendor
    Openstack
    Product
    Zaqar

    Exploits

    No exploit reference

    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