Severity:

CRITICAL RISK

(9.6)

Broken Access Control (CWE-863) in Onyx MCP API Endpoints

CVE-2026-71424

Published:

Aug 17, 2026

Status:

Received

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Category:

Broken Access Control

CWE:

CWE-200;CWE-863

Impact:

Cross-user OAuth credential disclosure

Severity:

CRITICAL RISK

(9.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Broken Access Control

CWE:

CWE-200;CWE-863

Impact:

Cross-user OAuth credential disclosure

Severity:

CRITICAL RISK

(9.6)

CVSS Version:

3.1

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HIGH RISK

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CWE-74;CWE-89

HIGH RISK

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