Combodo iTop 3.1.0 through 3.3.0 Missing Authorization via LinkSetController

{
  "id": "516d2a2696fdd37de5b026616eb82d0504b0e0bb4686a3b8898b4ca037ec1ebe",
  "url": "https://osv.dev/vulnerability/CVE-2026-108717",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Combodo iTop 3.1.0 through 3.3.0 Missing Authorization via LinkSetController",
    "summary": "Combodo iTop 3.1.0 through 3.3.0 contains a missing authorization vulnerability in LinkSetController.php that allows authenticated console users to bypass profile grants by supplying arbitrary class and key parameters. Attackers can invoke the linkset delete, detach and get-remote-object routes to delete objects, clear external keys, and read object attributes without permission.",
    "evidence": "osv:CVE-2026-108717",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-108717",
      "aliases": [
        "CVE-2026-108717"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/combodo/itop",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9b409b117f4b5308678d6ab4f3e3ea6dc1fd58cd"
                },
                {
                  "last_affected": "4e1bf80b9ff7f25b6557e64d5cf36a3c1ddbc3cb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "last_affected": "3.3.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "last_affected": "3.3.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108717.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:53.236123683Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108717.json",
        "https://hackmd.io/@haind03/itop-linkset-unchecked-delete-detach-read-20261011",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-108717",
        "https://www.vulncheck.com/advisories/combodo-itop-3.1.0-through-3.3.0-missing-authorization-via-linksetcontroller",
        "https://github.com/Combodo/iTop",
        "https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L272-L301",
        "https://github.com/Combodo/iTop/blob/3.3.0/sources/Controller/Links/LinkSetController.php#L43-L121"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108717.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-108717",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 522294,
  "published_at": "2026-10-11T12:19:29.379+00:00"
}