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CVE-2026-55500— 9router: Exposure of Sensitive Information and Unprotected Database Import/Export Allows Complete Credential Theft and Database Takeover

Quick assessment

Affected
decolua 9router
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

decolua 9Router是decolua基金会的一个智能路由与降级的AI模型代理工具。 decolua 9Router 0.4.80之前版本存在日志信息泄露漏洞，该漏洞源于/api/settings/database端点未正确进行身份验证，允许完全数据库导出（包含所有凭据、API密钥、OAuth令牌和设置）和完全数据库导入（完全覆盖），导致信息泄露。

CVSS 9.9 · Critical EPSS 0.69% · P52

Affected Version Matrix 1

VendorProduct Version RangeStatus
decolua 9router < 0.4.80 affected
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I. Basic Information for CVE-2026-55500

Vulnerability Information
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Vulnerability Title
9router: Exposure of Sensitive Information and Unprotected Database Import/Export Allows Complete Credential Theft and Database Takeover
Source: CVE Program / CVE List V5
Vulnerability Description
9Router is an AI router & token saver. Prior to 0.4.80, the /api/settings/database endpoint allows full database export (containing all credentials, API keys, OAuth tokens, and settings) and full database import (complete overwrite) without any authentication requirement beyond the ALWAYS_PROTECTED middleware check, which only validates JWT or CLI token. This issue is fixed in version 0.4.80.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
decolua 9Router 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
decolua 9Router是decolua基金会的一个智能路由与降级的AI模型代理工具。 decolua 9Router 0.4.80之前版本存在日志信息泄露漏洞，该漏洞源于/api/settings/database端点未正确进行身份验证，允许完全数据库导出（包含所有凭据、API密钥、OAuth令牌和设置）和完全数据库导入（完全覆盖），导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
decolua 9router < 0.4.80 -

II. Public POCs for CVE-2026-55500

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8196 chars
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-55500

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Patches & Fixes for CVE-2026-55500 (1)

Vendor Advisories for CVE-2026-55500 (1)

Other References for CVE-2026-55500 (1)

Same Patch Batch · decolua · 2026-07-10 · 6 CVEs total

CVE-2026-55638 8.6 HIGH 9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass
CVE-2026-56675 8.3 HIGH 9router: Reverse proxy locality collapse allows unauthenticated access to 9router /v1 APIs
CVE-2026-55641 8.2 HIGH 9router: Unauthenticated `/v1` proxy access via `Host`-header spoofing → open AI relay + S
CVE-2026-56676 7.4 HIGH 9router: Image prefetch DNS rebinding allows SSRF to internal services
CVE-2026-55501 7.3 HIGH 9router: Login brute-force protection bypass via spoofed X-Forwarded-For header

IV. Related Vulnerabilities

Same product: 9router
Same vendor: decolua
Same weakness: CWE-200

V. Comments for CVE-2026-55500

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