Severity:

HIGH RISK

(8.6)

Host Header Routing Flaw (CWE-187) in Node Proxy

CVE-2026-55602

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:

Improper Request Routing / Host Header Handling

CWE:

CWE-20;CWE-187

Impact:

Unauthorized Request Routing / Backend Access

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Request Routing / Host Header Handling

CWE:

CWE-20;CWE-187

Impact:

Unauthorized Request Routing / Backend Access

Severity:

HIGH RISK

(8.6)

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.