TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints

{
  "id": "6a575c57aeb0b6ce98feff863dc76430778898bc239a9178a5ccecca482cf164",
  "url": "https://osv.dev/vulnerability/CVE-2026-63099",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints",
    "summary": "TheHive through 4.1.24 contains a broken object-level authorization vulnerability in the attachment download endpoints that allows any authenticated user to access attachments belonging to other organizations by supplying a content-hash identifier. Attackers can exploit the missing organization-scoped authorization check in AttachmentSrv.visible, which is implemented as a pass-through traversal, to download arbitrary attachments.",
    "evidence": "osv:CVE-2026-63099",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-63099",
      "aliases": [
        "CVE-2026-63099"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/thehive-project/thehive",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b6649bb58938a414de9f0505cc0a1dad15f0d0ef"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.1.24"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.1.24",
            "4.1.23",
            "4.1.22",
            "4.1.21",
            "4.1.20",
            "4.1.19",
            "4.1.18",
            "4.1.17",
            "4.1.16",
            "4.1.15",
            "4.1.14",
            "4.1.13",
            "4.1.12",
            "4.1.11",
            "4.1.10",
            "4.1.9",
            "4.1.8",
            "4.1.7",
            "4.1.6",
            "4.1.5",
            "4.1.4",
            "4.1.3",
            "4.1.2",
            "4.1.1",
            "4.1.0",
            "4.0.5",
            "4.0.4",
            "4.0.3",
            "4.0.2",
            "4.0.0",
            "4.0.0-RC3",
            "4.0.0-RC2",
            "4.0.0-RC1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-63099.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.106763993Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63099.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-63099",
        "https://www.vulncheck.com/advisories/thehive-broken-object-level-authorization-via-attachment-download-endpoints",
        "https://github.com/TheHive-Project/TheHive",
        "https://github.com/geo-chen/oss/blob/main/TheHive.md#finding-2-cross-organisation-attachment-disclosure-via-unauthorized-datastore-endpoint-missing-object-level-authorization"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-639"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63099.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-63099",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509076,
  "published_at": "2026-07-17T15:39:44.235+00:00"
}