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    CVE-2026-33374

    The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.

    Published:Oct 13, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 13, 2026
    EPSS Score:
    CVSS Score:6.5

    Affected Products

    No affected product recorded yet

    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