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CVE-2026-26015— Unauthenticated RCE in DocsGPT MCP STDIO Configuration

Quick assessment

Affected
arc53 DocsGPT
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DocsGPT是Arc53开源的一个尖端的开源解决方案。简化了在项目文档中查找信息的过程。 DocsGPT 0.15.0版本至0.16.0之前版本存在命令注入漏洞，该漏洞源于绕过MCP测试行为，可能导致远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 1.54% · P74

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
arc53 DocsGPT >= 0.15.0, < 0.16.0 affected
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I. Basic Information for CVE-2026-26015

Vulnerability Information
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Vulnerability Title
Unauthenticated RCE in DocsGPT MCP STDIO Configuration
Source: CVE Program / CVE List V5
Vulnerability Description
DocsGPT is a GPT-powered chat for documentation. From version 0.15.0 to before version 0.16.0, an attacker accessing both the official DocsGPT website or any local and public deployment, can craft a malicious payload bypassing the "MCP test" behavior to achieve arbitrary remote code execution (RCE). This issue has been patched in version 0.16.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
DocsGPT 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DocsGPT是Arc53开源的一个尖端的开源解决方案。简化了在项目文档中查找信息的过程。 DocsGPT 0.15.0版本至0.16.0之前版本存在命令注入漏洞，该漏洞源于绕过MCP测试行为，可能导致远程代码执行。
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
arc53 DocsGPT >= 0.15.0, < 0.16.0 -

II. Public POCs for CVE-2026-26015

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III. Intelligence Information for CVE-2026-26015

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Vendor Advisories for CVE-2026-26015 (1)

Vendor Pages for CVE-2026-26015 (1)

IV. Related Vulnerabilities

Same product: DocsGPT
Same vendor: arc53
Same weakness: CWE-77

V. Comments for CVE-2026-26015

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