{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.23.0"
              },
              {
                "fixed": "2.28.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "262968479e283b89c8a42a8a26ff8db38d1738fd"
            },
            {
              "fixed": "029d9d203d9e4ae96b3e59d552fa7395cc1e5071"
            }
          ],
          "repo": "https://github.com/mantisbt/mantisbt",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-pw5x-2mf9-3xc8"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42071.json"
  },
  "details": "Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 2.23.0 to 2.28.1, a missing authorization check in MantisBT's file visibility function allows any authenticated user (REPORTER+) to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/{id}/files and SOAP API mc_issue_attachment_get endpoint. This vulnerability is fixed in 2.28.2.",
  "id": "CVE-2026-42071",
  "modified": "2026-07-08T05:36:36.717159567Z",
  "published": "2026-05-28T20:29:20.361Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://mantisbt.org/bugs/view.php?id=27039"
    },
    {
      "type": "WEB",
      "url": "https://mantisbt.org/bugs/view.php?id=36985"
    },
    {
      "type": "WEB",
      "url": "https://mantisbt.org/bugs/view.php?id=37092"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42071.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/mantisbt/mantisbt/security/advisories/GHSA-pw5x-2mf9-3xc8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42071"
    },
    {
      "type": "FIX",
      "url": "https://github.com/mantisbt/mantisbt/commit/029d9d203d9e4ae96b3e59d552fa7395cc1e5071"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MantisBT: Private Bugnote Attachment Content Leak via REST API"
}