Unauthenticated RCE in DocsGPT MCP STDIO Configuration

{
  "id": "6c7a67d11f7aa68b8e73e94b4ab4758f76f20dc3f22bf184f952c5f48daa0967",
  "url": "https://osv.dev/vulnerability/CVE-2026-26015",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Unauthenticated RCE in DocsGPT MCP STDIO Configuration",
    "summary": "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.",
    "evidence": "osv:CVE-2026-26015",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-26015",
      "aliases": [
        "CVE-2026-26015",
        "GHSA-gcrq-f296-2j74"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/arc53/docsgpt",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e68da34c1317185a14928a34fa96956b7cbb48bd"
                },
                {
                  "fixed": "72b3d944534244baed4727824f30c55bc3d82495"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0.15.0"
                      },
                      {
                        "fixed": "0.16.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "72b3d944534244baed4727824f30c55bc3d82495"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "0.16.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.15.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26015.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.185978661Z",
      "provider": "osv",
      "references": [
        "https://github.com/arc53/DocsGPT/releases/tag/0.16.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26015.json",
        "https://github.com/arc53/DocsGPT/security/advisories/GHSA-gcrq-f296-2j74",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-26015",
        "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/"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-77"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26015.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-26015",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491943,
  "published_at": "2026-04-29T17:37:25.524+00:00"
}