Security advisory

{
  "id": "b97ce0ee4819b8c013fed21b861d49c82f66ca975ea4f0d69dfa8894e9b5e74b",
  "url": "https://osv.dev/vulnerability/CVE-2025-65900",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-65900",
    "summary": "Kalmia CMS version 0.2.0 contains an Incorrect Access Control vulnerability in the /kal-api/auth/users API endpoint. Due to insufficient permission validation and excessive data exposure in the backend, an authenticated user with basic read permissions can retrieve sensitive information for all platform users.",
    "evidence": "osv:CVE-2025-65900",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-65900",
      "aliases": [
        "CVE-2025-65900"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/difusehq/kalmia",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1bc059450c3901b17e1be99209965b12f6d163e4"
                },
                {
                  "last_affected": "1bc059450c3901b17e1be99209965b12f6d163e4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:difuse:kalmia:0.2.0:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0.2.0"
                      },
                      {
                        "last_affected": "0.2.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-65900.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.734458382Z",
      "provider": "osv",
      "references": [
        "https://github.com/Noxurge/CVE-2025-65900/blob/main/README.md",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65900.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-65900",
        "https://github.com/DifuseHQ/Kalmia"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65900.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-65900",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509338,
  "published_at": "2025-12-04T00:00:00+00:00"
}