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    CVE-2026-8609

    An unauthenticated attacker can repeatedly call Grafana's OAuth login route with unique values, causing unbounded memory growth that can eventually exhaust memory and crash the Grafana instance (denial of service).

    Published:Jul 10, 2026
    Last Modified:Jul 16, 2026
    EPS:Jul 10, 2026
    EPSS Score:0.00397
    CVSS Score:5.3

    Affected Products

    Vendor
    Grafana
    Product
    Grafana

    Exploits

    No exploit reference

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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