Severity:
HIGH RISK
(8.2)
Host Header Trust (CWE-290) in 9Router LLM Proxy
CVE-2026-55641
Deferred
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.
Summary
Affected Context
Exploit Preconditions
Why This Happens
Potential Impact
General Mitigation Guidance
How Teams Detect Issues Like This
Frequently Asked Questions
Source
NDV
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