{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "17.4.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "57fb3abf08b0075149e7abe7dbf5de99e07aee06"
            }
          ],
          "repo": "https://github.com/opf/openproject",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-p9gq-hrgh-2645"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-200",
      "CWE-639",
      "CWE-836"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44736.json"
  },
  "details": "OpenProject is open-source, web-based project management software. Prior to 17.4.0, the GET /api/v3/relations endpoint allows any authenticated user to retrieve relations — and the subject (title) of work packages they have no permission to view — by supplying an arbitrary work package ID in the involved, fromId, or toId filter. This bypasses the Relation.visible scope due to a flawed performance optimization in RelationQuery. This vulnerability is fixed in 17.4.0.",
  "id": "CVE-2026-44736",
  "modified": "2026-07-15T01:48:56.962800290Z",
  "published": "2026-06-26T19:27:54.656Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44736.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/opf/openproject/security/advisories/GHSA-p9gq-hrgh-2645"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44736"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenProject: Relations API Filter Bypasses Visibility Scope, Leaking Cross-Project Work Package Subjects"
}