{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.1.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f4ecb002f7d12642f92da6b79371ed367d0140e7"
            }
          ],
          "repo": "https://github.com/datasharingframework/dsf",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-gj7p-595x-qwf5"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-613"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40939.json"
  },
  "details": "The Data Sharing Framework (DSF) implements a distributed process engine based on the BPMN 2.0 and FHIR R4 standards. Prior to 2.1.0, OIDC-authenticated sessions had no configured maximum inactivity timeout. Sessions persisted indefinitely after login, even after the OIDC access token expired. This vulnerability is fixed in 2.1.0.",
  "id": "CVE-2026-40939",
  "modified": "2026-07-08T05:38:42.139717976Z",
  "published": "2026-04-21T21:07:10.503Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://dsf.dev/operations/v2.1.0/bpe/oidc.html"
    },
    {
      "type": "WEB",
      "url": "https://dsf.dev/operations/v2.1.0/fhir/oidc.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40939.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/datasharingframework/dsf/security/advisories/GHSA-gj7p-595x-qwf5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40939"
    },
    {
      "type": "FIX",
      "url": "https://github.com/datasharingframework/dsf/commit/f4ecb002f7d12642f92da6b79371ed367d0140e7"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "DSF: Missing Session Timeout for OIDC Sessions"
}