{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "4.5.15"
              },
              {
                "fixed": "4.5.69"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "bbd320c50e0bc5402de03bca2ed8c274e5de42e0"
            },
            {
              "fixed": "e144d840bbf59d13fdf149bb572933561f0dbc7c"
            },
            {
              "fixed": "47bff65413beaa3c21bf633c1fae4e684348368c"
            }
          ],
          "repo": "https://github.com/mervinpraison/praisonai",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-9gm9-c8mq-vq7m"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-78"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34935.json"
  },
  "details": "PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed directly to shlex.split() and forwarded through the call chain to anyio.open_process() with no validation, allowlist check, or sanitization at any hop, allowing arbitrary OS command execution as the process user. This issue has been patched in version 4.5.69.",
  "id": "CVE-2026-34935",
  "modified": "2026-08-12T03:51:24.228251910Z",
  "published": "2026-04-03T22:48:21.261Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34935.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-9gm9-c8mq-vq7m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-34935"
    },
    {
      "type": "FIX",
      "url": "https://github.com/MervinPraison/PraisonAI/commit/47bff65413beaa3c21bf633c1fae4e684348368c"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "PraisonAI: OS Command Injection in MCPHandler.parse_mcp_command()"
}