Frappe Helpdesk before 1.26.0 Authorization Bypass via raised_by in Ticket Creation

{
  "id": "b25116d5250e38b98247b50c4de1c8cb7592b60da432cb8ecd926474207904f4",
  "url": "https://osv.dev/vulnerability/CVE-2026-111939",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Frappe Helpdesk before 1.26.0 Authorization Bypass via raised_by in Ticket Creation",
    "summary": "Frappe Helpdesk before 1.26.0 contains an authorization bypass vulnerability that allows authenticated portal users to create tickets impersonating other customers by supplying a raised_by value. Attackers can call the hd_ticket.api.new endpoint with a victim's email to plant phishing tickets in their portal and read their replies via get_ticket_activities.",
    "evidence": "osv:CVE-2026-111939",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-111939",
      "aliases": [
        "CVE-2026-111939",
        "GHSA-xf93-jjcj-44vm"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/frappe/helpdesk",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f4cba24df6afe1cfe30d266ef4b4f9d0ee910fed"
                },
                {
                  "fixed": "1186367f3616a605440e73e6a08eacbbcb9b92d9"
                },
                {
                  "fixed": "c778f533b24b1dee0c75b206979a9bc4b1be0de2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.26.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1186367f3616a605440e73e6a08eacbbcb9b92d9"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c778f533b24b1dee0c75b206979a9bc4b1be0de2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f4cba24df6afe1cfe30d266ef4b4f9d0ee910fed"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.26.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.25.1",
            "v1.25.0",
            "v1.24.1",
            "v1.24.0",
            "v1.23.0",
            "v1.22.2",
            "v1.22.1",
            "v1.22.0",
            "v1.21.3",
            "v1.21.2",
            "v1.21.1",
            "v1.21.0",
            "v1.20.2",
            "v1.20.0",
            "v1.19.4",
            "v1.19.3",
            "v1.19.2",
            "v1.19.1",
            "v1.19.0",
            "v1.18.1",
            "v1.18.0",
            "v1.17.4",
            "v1.17.3",
            "v1.17.2",
            "v1.17.0",
            "v1.15.1",
            "v1.15.0",
            "v1.8.0",
            "v1.4.0",
            "0.10.0",
            "0.9.1",
            "0.9.0",
            "0.8.4",
            "0.8.3",
            "0.8.2",
            "0.8.1",
            "0.8.0",
            "0.7.0",
            "0.6.5",
            "0.6.4",
            "0.6.3",
            "0.6.2",
            "0.6.1",
            "0.5.4",
            "0.5.3",
            "0.5.2",
            "0.5.1",
            "0.5",
            "0.4.9",
            "0.4.8",
            "0.4",
            "0.3",
            "0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111939.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.931678884Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111939.json",
        "https://github.com/frappe/helpdesk/releases/tag/v1.26.0",
        "https://github.com/frappe/helpdesk/security/advisories/GHSA-xf93-jjcj-44vm",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111939",
        "https://www.vulncheck.com/advisories/frappe-helpdesk-before-1.26.0-authorization-bypass-via-raised-by-in-ticket-creation",
        "https://github.com/frappe/helpdesk/commit/1186367f3616a605440e73e6a08eacbbcb9b92d9",
        "https://github.com/frappe/helpdesk/commit/c778f533b24b1dee0c75b206979a9bc4b1be0de2",
        "https://github.com/frappe/helpdesk",
        "https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/api.py",
        "https://github.com/frappe/helpdesk/blob/v1.25.1/helpdesk/helpdesk/doctype/hd_ticket/hd_ticket.py"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111939.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111939",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 520898,
  "published_at": "2026-10-19T13:55:12.366+00:00"
}