CVE-2025-66419— MaxKB vulnerable to privilege escalation through sandbox bypass
Possible ATT&CK Techniques 2AI
T1055 · Process Injection T1068 · Exploitation for Privilege EscalationGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2025-66419
Vulnerability Information
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Vulnerability Title
MaxKB vulnerable to privilege escalation through sandbox bypass
Source: CVE Program / CVE List V5
Vulnerability Description
MaxKB is an open-source AI assistant for enterprise. In versions 2.3.1 and below, the tool module allows an attacker to escape the sandbox environment and escalate privileges under certain concurrent conditions. This issue is fixed in version 2.4.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
MaxKB 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MaxKB是1Panel-dev开源的一款基于大语言模型和 RAG 的开源知识库问答系统。 MaxKB 2.3.1及之前版本存在竞争条件问题漏洞，该漏洞源于工具模块允许攻击者在特定并发条件下逃逸沙箱环境，可能导致权限提升。
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 |
|---|---|---|---|---|
| 1Panel-dev | MaxKB | < 2.4.0 | - |
II. Public POCs for CVE-2025-66419
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 5821 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
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III. Intelligence Information for CVE-2025-66419
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Patches & Fixes for CVE-2025-66419 (1)
Vendor Advisories for CVE-2025-66419 (1)
- https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-f9qm-2pxq-fx6cx_refsource_CONFIRM
Other References for CVE-2025-66419 (1)
- https://github.com/1Panel-dev/MaxKB/releases/tag/v2.4.0x_refsource_MISC
IV. Related Vulnerabilities
Same product: MaxKB
- CVE-2026-64870
MaxKB: UpdateStoreTool fetches caller-supplied app-store URL - CVE-2026-54149
MaxKB MCP tool import validation bypass allows post-authenti - CVE-2026-56779
MaxKB < 2.10.0 - Server-Side Request Forgery via downloadCal - CVE-2026-42336
MaxKB: SSRF Bypass via DNS Rebinding in MaxKB OSS URL Fetch - CVE-2026-42337
MaxKB: Broken Access Control in MaxKB OSS URL Fetch API
Same vendor: 1Panel-dev
- CVE-2026-64870
MaxKB: UpdateStoreTool fetches caller-supplied app-store URL - CVE-2026-16223
1Panel-dev CordysCRM Third Party Edit Endpoint IntegrationCo - CVE-2026-16222
1Panel-dev CordysCRM Third Party Endpoint TokenService.java - CVE-2026-54149
MaxKB MCP tool import validation bypass allows post-authenti - CVE-2026-56779
MaxKB < 2.10.0 - Server-Side Request Forgery via downloadCal
V. Comments for CVE-2025-66419
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