Security advisory

{
  "id": "d463c2e39fccedfb7d76f6872230da7bc72091bbef70db1f79b66a4f49875acb",
  "url": "https://osv.dev/vulnerability/CVE-2026-75465",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-75465",
    "summary": "The /api.php/user/get_list endpoint in Maccms v10 v2026.1000.4055 is vulnerable to an Incorrect Access Control issue. The interface fails to perform any authentication or authorization checks. An unauthenticated remote attacker can send a crafted HTTP GET request with limit and offset parameters to paginate and retrieve sensitive information of all registered users.",
    "evidence": "osv:CVE-2026-75465",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-75465",
      "aliases": [
        "CVE-2026-75465"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/magicblack/maccms10",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "94b1ea07e60a32ac31991110a1e83d706d9ccaa8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "94b1ea07e60a32ac31991110a1e83d706d9ccaa8"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2026.1000.4055"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2026.1000.4054",
            "v2026.1000.4053",
            "v2025.1000.4052",
            "v2025.1000.4051",
            "v2025.1000.4050",
            "v2025.1000.4049",
            "v2025.1000.4048",
            "v2025.1000.4047",
            "v2024.1000.4046",
            "v2024.1000.4044",
            "V2024.1000.4040",
            "V2024.1000.4030",
            "v2024.1000.4020",
            "V2024.1000.4010",
            "V2024.1000.4000",
            "v2024.1000.3000",
            "v2023.1000.3052",
            "v2023.1000.3051",
            "v2023.1000.3050",
            "v2022.1000.3032",
            "v2022.1000.3031",
            "v2022.1000.3030",
            "v2022.1000.3029",
            "v2022.1000.3028",
            "v2022.1000.3027",
            "v2022.1000.3026",
            "v2022.1000.3025",
            "v2022.1000.3005",
            "v2022.1000.3004",
            "v2022.1000.3002",
            "v2022.1000.3001",
            "v2022.1000.1099",
            "v2021.1000.1081",
            "v2020.1000.1081",
            "v2020.1000.1080",
            "v2020.1000.1075",
            "v2020.1000.1074",
            "v2020.1000.1069",
            "v2020.1000.1068b",
            "v2020.1000.1068",
            "v2020.1000.1062",
            "v2020.1000.1042",
            "v2020.1000.1035"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75465.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.299811415Z",
      "provider": "osv",
      "references": [
        "https://github.com/magicblack/maccms10/releases/tag/v2026.1000.4055",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75465.json",
        "https://github.com/returnwrong/returnwrong-security-advisories/blob/main/CVE-2026-75465.md",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-75465"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75465.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-75465",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503218,
  "published_at": "2026-08-25T00:00:00+00:00"
}