Severity:

CRITICAL RISK

(9.1)

AuthZ Bypass via Route Prefix (CWE-285) in Fastify

CVE-2026-6556

Published:

Status:

Analyzed

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

Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285

Impact:

Bypass of authentication and authorization middleware on scoped routes

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285

Impact:

Bypass of authentication and authorization middleware on scoped routes

Severity:

CRITICAL RISK

(9.1)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.