CVE-2026-33980: Azure Data Explorer MCP Server KQL injection vulnerability
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerabilityAgent hijack
Azure Data Explorer MCP Server contains KQL injection vulnerabilities in multiple MCP tool handlers due to unvalidated parameter interpolation. The flaw permits arbitrary KQL query execution by attackers or injected AI agents.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityprimaryCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Agent hijackAn AI agent is tricked into unauthorized actions: tool misuse, data exfiltration through the agent, or acting against its principal.
- Infrastructure vulnerabilityprimary
- owasp llm top 10
- mitre atlas
- Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- Azure Data Explorer MCP Server
- incident date
- 27 Mar 2026
- first reported
- 27 Mar 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-33980 · injection · mcp
- record
- created 2026-10-18 10:04Z · updated 2026-10-18 10:04Z · json
Sources · 1
- 2026-03-27CVE-2026-33980: Azure Data Explorer MCP Server is a Model Context Protocol (MCP) server that enables AI assistants to execute KQL queries and…NVD · nvd.nist.gov/vuln/detail/CVE-2026-33980
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