CVE-2026-26015
Unauthenticated RCE in DocsGPT MCP STDIO Configuration
- State
- Published
- Severity
- 10.0 Critical
- Published
- Apr 29, 2026
- Updated
- May 6, 2026
- Reserved
- Feb 9, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 10.0 Critical | 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 | GitHub_M |
Weaknesses
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected Products
| Product | Versions |
|---|---|
DocsGPTarc53 |
|
References
- https://github.com/arc53/DocsGPT/security/advisories/GHSA-gcrq-f296-2j74
- https://github.com/arc53/DocsGPT/releases/tag/0.16.0
- https://www.ox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-across-the-ai-ecosystem/
- https://www.ox.security/blog/the-mother-of-all-ai-supply-chains-critical-systemic-vulnerability-at-the-core-of-the-mcp/
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