Strapi 5.47.0 through 5.57.0 Improper Authorization via Admin API Token Field Permissions

{
  "id": "91bf3c15405173fd2847917a0b3c9b49a09f5cbf221435cfc1ba3f07d5b41c97",
  "url": "https://osv.dev/vulnerability/CVE-2026-108114",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Strapi 5.47.0 through 5.57.0 Improper Authorization via Admin API Token Field Permissions",
    "summary": "Strapi 5.47.0 through 5.57.0 contains an improper authorization vulnerability that allows admin API tokens to retain all-field Content Manager access after the owner's role is field-restricted. Because reconcileTokenPermissionsToUserCeiling ignores token permissions with omitted or null fields, token holders can keep reading content fields an administrator removed from the role.",
    "evidence": "osv:CVE-2026-108114",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-108114",
      "aliases": [
        "CVE-2026-108114"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/strapi/strapi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "42509493bfdd2e91c3899fb4164ad63ef772706e"
                },
                {
                  "last_affected": "ca3974dac3171b4ffc94d70c27f1df7e4dad5a7d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "5.47.0"
                      },
                      {
                        "last_affected": "5.57.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "5.47.0"
                      },
                      {
                        "last_affected": "5.57.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108114.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.742335014Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108114.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108114",
        "https://www.vulncheck.com/advisories/strapi-5.47.0-through-5.57.0-improper-authorization-via-admin-api-token-field-permissions",
        "https://github.com/strapi/strapi",
        "https://github.com/strapi/strapi/blob/v5.57.0/packages/core/admin/server/src/services/api-token.ts#L488-L498",
        "https://hackmd.io/@haind/strapi-admin-token-field-ceiling"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108114.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108114",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 506312,
  "published_at": "2026-10-10T14:15:50.908+00:00"
}