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    CVE-2026-33980

    Azure Data Explorer MCP Server is a Model Context Protocol (MCP) server that enables AI assistants to execute KQL queries and explore Azure Data Explorer (ADX/Kusto) databases through standardized interfaces. Versions up to and including 0.1.1 contain KQL (Kusto Query Language) injection vulnerabilities in three MCP tool handlers: `get_table_schema`, `sample_table_data`, and `get_table_details`. The `table_name` parameter is interpolated directly into KQL queries via f-strings without any validation or sanitization, allowing an attacker (or a prompt-injected AI agent) to execute arbitrary KQL queries against the Azure Data Explorer cluster. Commit 0abe0ee55279e111281076393e5e966335fffd30 patches the issue.

    Published:Mar 27, 2026
    Last Modified:Apr 22, 2026
    EPS:Mar 27, 2026
    EPSS Score:0.00052
    CVSS Score:8.3

    Affected Products

    Vendor
    Pab1it0
    Product
    Adx-mcp-server
    Vendor
    Pab1it0
    Product
    Azure Data Explorer Mcp Server

    Exploits

    https://github.com/pab1it0/adx-mcp-server/security/advisories/GHSA-vphc-468g-8rfphttps://github.com/pab1it0/adx-mcp-server/security/advisories/GHSA-vphc-468g-8rfphttps://github.com/romain-deperne/CVE-2026-33980

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-676 NoSQL Injection

    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