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Vulnerability record · CVE-2026-26015 · published 29 April 2026

CVE-2026-26015: Arc53 docsgpt command injection vulnerability

Arc53 · Docsgpt

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.

10.0 CVSS 4.0 Critical EPSS 1.5% · top 26.1% CWE-77 · Command injection
10.0CVSS 4.0 base score
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/arc53/DocsGPT/releases/tag/0.16.0 Release Notes
https://github.com/arc53/DocsGPT/security/advisories/GHSA-gcrq-f296-2j74 ExploitVendor Advisory
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/
https://github.com/arc53/DocsGPT/security/advisories/GHSA-gcrq-f296-2j74 ExploitVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-26015), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.