django-oauth django-oauth-toolkit oauth2_validators.py _load_id_token session expiration

{
  "id": "1c4c65d2cd55b276100e9f9f685a6cf2ec31e55708f8baaf032a73ec603b15f8",
  "url": "https://osv.dev/vulnerability/CVE-2026-16206",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "django-oauth django-oauth-toolkit oauth2_validators.py _load_id_token session expiration",
    "summary": "A security vulnerability has been detected in django-oauth django-oauth-toolkit 3.3.0. This issue affects the function _load_id_token of the file oauth2_provider/oauth2_validators.py. The manipulation leads to session expiration. The attack can be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.",
    "evidence": "osv:CVE-2026-16206",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-16206",
      "aliases": [
        "CVE-2026-16206"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django-oauth/django-oauth-toolkit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1fbc0810fe0f1703f969c8f5d95f7545ed364d4d"
                },
                {
                  "last_affected": "1fbc0810fe0f1703f969c8f5d95f7545ed364d4d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.3.0"
                      },
                      {
                        "last_affected": "3.3.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-16206.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.159561889Z",
      "provider": "osv",
      "references": [
        "https://github.com/django-oauth/django-oauth-toolkit/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16206.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-16206",
        "https://vuldb.com/cve/CVE-2026-16206",
        "https://vuldb.com/submit/857897",
        "https://vuldb.com/submit/857923",
        "https://vuldb.com/vuln/380022",
        "https://github.com/django-oauth/django-oauth-toolkit/issues/1715",
        "https://vuldb.com/vuln/380022/cti"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-613"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16206.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-16206",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504469,
  "published_at": "2026-07-19T02:15:08.796+00:00"
}