Answer in brief
CVE-2026-46339 records a Critical severity (CVSS 10.0) vulnerability in 9Router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes. The current sources do not mark it as known exploited. The current feed maps decolua/9router (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps decolua/9router (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| decolua/9routergeneric | >= 0.4.30, < 0.4.37 | Not reported |
Published upstream
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 16, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP bridge. This vulnerability is fixed in 0.4.37.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-46339 records a Critical severity (CVSS 10.0) vulnerability in 9Router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes. The current sources do not mark it as known exploited. The current feed maps decolua/9router (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps decolua/9router (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| decolua/9routergeneric | >= 0.4.30, < 0.4.37 | Not reported |
Published upstream
Jul 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 16, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 15, 2026
9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js and command execution through the MCP bridge. This vulnerability is fixed in 0.4.37.
Quoted source text, attributed separately from HOL analysis.