CVE-2026-14537

Incorrect Authorization in the direct HTTP API tool invocation endpoint in Google mcp-toolbox versions v1.3.0 and v1.4.0 allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature via sending tool invocation requests through legacy HTTP endpoints when the --enable-api flag is active.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/googleapis/mcp-toolbox/pull/3435	Issue Tracking Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:google:mcp_toolbox_for_databases:1.3.0:::::::*
	cpe:2.3:a:google:mcp_toolbox_for_databases:1.4.0:::::::*

History

No history.

Information

Published : 2026-07-31 02:16

Updated : 2026-08-08 00:25

NVD link : CVE-2026-14537

Mitre link : CVE-2026-14537

CVE.ORG link : CVE-2026-14537

JSON object : View

Products Affected

google

mcp_toolbox_for_databases

CWE

CWE-863

Incorrect Authorization

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