Security advisory

{
  "id": "209daf938d06728d989c9ecc03cafb14621e8b75887f7b80dcdc26bb5f97c707",
  "url": "https://osv.dev/vulnerability/CVE-2026-42168",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-42168",
    "summary": "django-pyas2 through 1.2.3 is vulnerable to OS command injection via the cmd_receive and cmd_send fields on the Partner model. These fields are passed directly to os.system() in pyas2/utils.py without sanitization, allowing an authenticated admin user to execute arbitrary commands on the server when an AS2 message is received or sent.",
    "evidence": "osv:CVE-2026-42168",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-42168",
      "aliases": [
        "CVE-2026-42168"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/abhishek-ram/django-pyas2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3d5c1f365a44dbb736d422950db357ff9b76ea83"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2"
                      },
                      {
                        "last_affected": "1.2.3"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3d5c1f365a44dbb736d422950db357ff9b76ea83"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.2.3"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42168.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.533670933Z",
      "provider": "osv",
      "references": [
        "https://github.com/abhishek-ram/django-pyas2/releases/tag/v1.2.3",
        "https://github.com/m4ty-m/vulnerability-research/tree/main/CVE-2026-42168",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42168.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-42168",
        "https://github.com/abhishek-ram/django-pyas2"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42168.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-42168",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494312,
  "published_at": "2026-07-17T00:00:00+00:00"
}