Insecure Direct Object Reference in ATutor

{
  "id": "c139f45ff9da0ec89428db4663625762b1632b64aee06aad74d44dd27e0939e0",
  "url": "https://osv.dev/vulnerability/CVE-2026-64969",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Insecure Direct Object Reference in ATutor",
    "summary": "ATutor is vulnerable to Insecure Direct Object Reference (IDOR) attack in profile picture related endpoints. Any authenticated user, including a student, can supply another user's member_id in a POST request to the profile album endpoint and permanently delete that user's profile picture, including those of instructors and administrators. Product is no longer actively supported and the vulnerabilities have not been fixed. Only version 2.2.4 was tested and confirmed as vulnerable, other versions were not tested but might also be vulnerable.",
    "evidence": "osv:CVE-2026-64969",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-64969",
      "aliases": [
        "CVE-2026-64969"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/atutor/atutor",
              "type": "GIT",
              "events": [
                {
                  "introduced": "57f990d1a31b234a7c68bf70c40386565bc449e2"
                },
                {
                  "last_affected": "57f990d1a31b234a7c68bf70c40386565bc449e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "2.2.4"
                      },
                      {
                        "last_affected": "2.2.4"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.2.4",
            "atutor_2_2_4"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64969.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:37.977328744Z",
      "provider": "osv",
      "references": [
        "https://atutor.github.io/",
        "https://cert.pl/en/posts/2026/08/CVE-2026-64960",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64969.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-64969",
        "https://github.com/atutor/ATutor"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "CERT-PL",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64969.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-64969",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505265,
  "published_at": "2026-08-20T13:58:27.77+00:00"
}