What is CVE-2026-33980?

CVE-2026-33980 is a high-severity vulnerability in Pab1it0 Adx-mcp-server, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 8.3/10. Published 2026-03-27.

How severe is CVE-2026-33980?

High severity. CVSS v3 base score is 8.3 out of 10.

Is CVE-2026-33980 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Pab1it0 Adx-mcp-server

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…

EPSS: 0.000 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Pab1it0 Adx-mcp-server — versions <= 1.1.0

Weakness classification (CWE)

CWE-943 — Improper Neutralization of Special Elements in Data Query Logic

Public proof-of-concept exploits

romain-deperne/CVE-2026-33980

References

https://github.com/pab1it0/adx-mcp-server/security/advisories/GHSA-vphc-468g-8rfp (x_refsource_CONFIRM)
https://github.com/pab1it0/adx-mcp-server/commit/0abe0ee55279e111281076393e5e966335fffd30 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33980?: CVE-2026-33980 is a high-severity vulnerability in Pab1it0 Adx-mcp-server, classified under Improper Neutralization of Special Elements in Data Query Logic. CVSS score: 8.3/10. Published 2026-03-27.
How severe is CVE-2026-33980?: High severity. CVSS v3 base score is 8.3 out of 10.
Is CVE-2026-33980 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.