OpenFGA Authorization Bypass

{
  "id": "89b29fd0d08e6bc2050986690fe97662ae373060b213c4a4f484b22b0ed34564",
  "url": "https://osv.dev/vulnerability/CVE-2025-48371",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenFGA Authorization Bypass",
    "summary": "OpenFGA is an authorization/permission engine. OpenFGA versions 1.8.0 through 1.8.12 (corresponding to Helm chart openfga-0.2.16 through openfga-0.2.30 and docker 1.8.0 through 1.8.12) are vulnerable to authorization bypass when certain Check and ListObject calls are executed. Users are affected under four specific conditions: First, calling Check API or ListObjects with an authorization model that has a relationship directly assignable by both type bound public access and userset; second, there are check or list object queries with contextual tuples for the relationship that can be directly assignable by both type bound public access and userset; third, those contextual tuples’s user field is an userset; and finally, type bound public access tuples are not assigned to the relationship. Users should upgrade to version 1.8.13 to receive a patch. The upgrade is backwards compatible.",
    "evidence": "osv:CVE-2025-48371",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-48371",
      "aliases": [
        "CVE-2025-48371",
        "GHSA-c72g-53hw-82q7",
        "GO-2025-3707"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openfga/helm-charts",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e55f0301b06433e61335e68e083dbbc07276a793"
                },
                {
                  "fixed": "2e15dee5c11d3e502a8669490e517cac6e507c10"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openfga:helm_charts:*:*:*:*:*:openfga:*:*",
                    "range": [
                      {
                        "introduced": "0.2.16"
                      },
                      {
                        "fixed": "0.2.32"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/openfga/openfga",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0cc569ff4edcfda1f949316dae1e244c5be5e963"
                },
                {
                  "fixed": "e5960d4eba92b723de8ff3a5346a07f50c1379ca"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.8.0"
                      },
                      {
                        "fixed": "1.8.13"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "e5960d4eba92b723de8ff3a5346a07f50c1379ca"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "cpe": "cpe:2.3:a:openfga:openfga:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.8.0"
                      },
                      {
                        "fixed": "1.8.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "openfga-0.2.31",
            "openfga-0.2.30",
            "openfga-0.2.29",
            "openfga-0.2.28",
            "openfga-0.2.27",
            "openfga-0.2.26",
            "openfga-0.2.25",
            "openfga-0.2.24",
            "openfga-0.2.23",
            "openfga-0.2.22",
            "openfga-0.2.21",
            "openfga-0.2.20",
            "openfga-0.2.19",
            "openfga-0.2.18",
            "openfga-0.2.17",
            "openfga-0.2.16",
            "v1.8.12",
            "v1.8.11",
            "v1.8.10",
            "v1.8.9",
            "v1.8.8",
            "v1.8.7",
            "v1.8.6",
            "v1.8.5",
            "v1.8.4",
            "v1.8.3",
            "v1.8.2",
            "v1.8.1",
            "v1.8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-48371.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.261190866Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48371.json",
        "https://github.com/openfga/openfga/security/advisories/GHSA-c72g-53hw-82q7",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-48371",
        "https://github.com/openfga/openfga/commit/e5960d4eba92b723de8ff3a5346a07f50c1379ca"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-285"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/48xxx/CVE-2025-48371.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-48371",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513400,
  "published_at": "2025-05-22T22:20:37.57+00:00"
}