CVE-2026-55641Disclosure

LOWCVSS 8.2 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

9Router is an AI router & token saver. Prior to 0.5.2, 9router determines whether a /v1 LLM proxy request is local by reading the client-controlled Host header, allowing a remote unauthenticated attacker to send Host: localhost and bypass API-key authentication. In the default configuration, this exposes the /v1 proxy to upstream provider calls using stored provider credentials and allows /v1/search with the searxng provider_options.baseUrl parameter to drive server-side requests to internal or cloud-metadata hosts. This issue is fixed in version 0.5.2.

Back to dashboard

0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

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

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

2 mentions across 1 observed day

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud92d
Disclosure
🚨*CVE* CVE-2026-55641 9Router is an AI router & token saver. Prior to 0.5.2, 9router determines whether a /v1 LLM proxy request is local by reading the client-controlled Host header, allow… https://www.cve.org/CVERecord?id=CVE-2026-55641 ----- Traducción: CVE-2026-55641 9Ro… http://infoflow.cloud`
Post summary
The tweet announces CVE-2026-55641, noting a Host‑header based vulnerability in 9Router prior to v0.5.2, with no evidence of active exploitation or patch availability.
0000061
91 followersView on X
CVE@CVEnew92d
General
CVE-2026-55641 9Router is an AI router & token saver. Prior to 0.5.2, 9router determines whether a /v1 LLM proxy request is local by reading the client-controlled Host header, allow… https://www.cve.org/CVERecord?id=CVE-2026-55641
Post summary
The post briefly outlines a client‑controlled Host header flaw in 9Router that could affect LLM proxy requests; no PoC, exploit, or patch information is provided.
00000662
57.8K followersView on X

Explore more

Back to dashboard