OpenPanel through 2.3.0 CSV Formula Injection via Cohort Member Export

{
  "id": "8e69dc67d597dfd67901ad48955d21c10249651ee8a221ee8392de61d89ae9a8",
  "url": "https://osv.dev/vulnerability/CVE-2026-108579",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenPanel through 2.3.0 CSV Formula Injection via Cohort Member Export",
    "summary": "OpenPanel through 2.3.0 contains a CSV formula injection vulnerability that allows unauthenticated attackers to embed spreadsheet formulas by supplying crafted profile IDs to the /track endpoint. Attackers can send tracking events with profile IDs like =HYPERLINK(...) matching a cohort, so exported cohort CSVs execute formulas that exfiltrate adjacent cell data.",
    "evidence": "osv:CVE-2026-108579",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-108579",
      "aliases": [
        "CVE-2026-108579"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openpanel-dev/openpanel",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "cd24bb838301df1a9087e2e132b344e5b8a99963"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.3.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.3.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.3.0",
            "self-hosting"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108579.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.878134440Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108579.json",
        "https://hackmd.io/@haind/openpanel-cohort-csv-formula-injection",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108579",
        "https://www.vulncheck.com/advisories/openpanel-through-2.3.0-csv-formula-injection-via-cohort-member-export",
        "https://github.com/Openpanel-dev/openpanel",
        "https://github.com/Openpanel-dev/openpanel/blob/7c4d22ae4b6b20fb08eb5c94a0cd3cfebb3d32ca/apps/start/src/utils/csv-download.ts#L1-L29"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1236"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108579.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108579",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 499983,
  "published_at": "2026-10-10T15:57:48.583+00:00"
}