CVE-2026-26015 CRITICAL

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

Vendor Arc53
Product DocsGPT
Weakness CWE-77
Published April 29, 2026
Last update May 6, 2026

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 29, 2026 CVE published
May 6, 2026 Record updated