Severity:

HIGH RISK

(8.2)

Host Header Trust (CWE-290) in 9Router LLM Proxy

CVE-2026-55641

Published:

Status:

Deferred

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:

Authentication Bypass via Header Spoofing

CWE:

CWE-290;CWE-348;CWE-918;CWE-1327

Impact:

Authentication Bypass and Server-Side Request Forgery

Severity:

HIGH RISK

(8.2)

CVSS Version:

3.1

Vulnerability Type

Category:

Authentication Bypass via Header Spoofing

CWE:

CWE-290;CWE-348;CWE-918;CWE-1327

Impact:

Authentication Bypass and Server-Side Request Forgery

Severity:

HIGH RISK

(8.2)

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.