{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.19.1"
              },
              {
                "fixed": "2.0.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "02829b270b7975df32c8d5f787db7345dc6c27ac"
            },
            {
              "fixed": "2fb3931f6215b3e04f52432336665b8b68dfc990"
            }
          ],
          "repo": "https://github.com/getarcaneapp/arcane",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86114.json"
  },
  "details": "Arcane versions before 2.0.0 fail to properly restrict template operations, allowing default user role accounts to create, modify, and delete compose templates including instance-wide defaults. Attackers can inject malicious container configurations with privileged settings or host path mounts that execute with administrative privileges when deployed by administrators.",
  "id": "CVE-2026-86114",
  "modified": "2026-09-07T03:31:02.775503173Z",
  "published": "2026-09-05T09:59:05.356Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86114.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/getarcaneapp/arcane/releases/tag/v2.0.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-86114"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/arcane-before-2.0.0-missing-administrator-authorization-on-the-compose-template-mutation-endpoints"
    },
    {
      "type": "FIX",
      "url": "https://github.com/getarcaneapp/arcane/commit/1500646aa91f"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/getarcaneapp/arcane"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/geo-chen/oss/blob/main/arcane.md"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/getarcaneapp/arcane/blob/v1.19.5/backend/api/handlers/templates.go"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Arcane before 2.0.0 Missing Administrator Authorization on the Compose Template Mutation Endpoints"
}