ByteOS Network

NVD Vulnerability Details :

CVE-2026-49257

Received

Source-security-advisories@github.com

Published At-18 Jun, 2026 | 21:16

Updated At-22 Jun, 2026 | 19:17

mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1 and below, mcp-pinot defaults to running an HTTP MCP server bound to 0.0.0.0:8080 with no authentication enabled. All MCP tools, including SQL query execution, schema creation, and table-config mutation, are reachable by any network-adjacent caller. The server proxies these calls using server-side Pinot credentials, producing a confused-deputy condition that yields full read/write access to the configured Pinot cluster. This issue has been fixed in version 3.1.0

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	10.0	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
			N/A

Type: Secondary

Version: 3.1

Base score: 10.0

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Type: N/A

Version:

Base score:

Base severity: N/A

Vector:

Weaknesses

CWE ID	Type	Source
CWE-306	Secondary	security-advisories@github.com

CWE ID: CWE-306

Type: Secondary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/startreedata/mcp-pinot/commit/1c7d3f9cd384854bf72c127d230bdb32299475ad	security-advisories@github.com	N/A
https://github.com/startreedata/mcp-pinot/issues/90	security-advisories@github.com	N/A
https://github.com/startreedata/mcp-pinot/pull/95	security-advisories@github.com	N/A
https://github.com/startreedata/mcp-pinot/security/advisories/GHSA-73cv-556c-w3g6	security-advisories@github.com	N/A
https://github.com/startreedata/mcp-pinot/security/advisories/GHSA-73cv-556c-w3g6	134c704f-9b21-4f2e-91b3-4a467353bcc0	N/A