CVE-2026-26015 PUBLISHED

Unauthenticated RCE in DocsGPT MCP STDIO Configuration

Assigner: GitHub_M
Reserved: 09.02.2026 Published: 29.04.2026 Updated: 29.04.2026

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.

Metrics

CVSS 4.0

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
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	arc53
Product	DocsGPT
Versions	Version >= 0.15.0, < 0.16.0 is affected

References

Problem Types

CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE