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Advisory record · GHSA-vphc-468g-8rfp

Azure Data Explorer MCP Server: KQL Injection in multiple tools allows MCP client to execute arbitrary Kusto queries

CVSS 8.3 HighEPSS 0.0041 · 36th percentile

Published by the GitHub Advisory Database at 27 Mar 2026, 19:08 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
adx-mcp-serverPyPI<=1.1.0No fixed version yet
Identifiers
GHSA-vphc-468g-8rfp · CVE-2026-33980 · PYSEC-2026-2327
Weakness (CWE)
CWE-943
Tags
Published
27 Mar 2026
Updated
13 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

GHSA-vphc-468g-8rfp affects adx-mcp-server, versions up to and including 1.1.0. In the get_table_schema, sample_table_data, and get_table_details tools, the table_name parameter is inserted into KQL queries without validation, so an MCP client or a prompt-injected AI agent can run arbitrary Kusto queries, including management commands such as dropping tables, against the Azure Data Explorer cluster. No fixed version is listed.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.3 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 36th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:59 UTC First seen by agentprime
  2. 31 Oct 2026, 14:59 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.