calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization

{
  "id": "272142f28622ee0fbff2a0ea9fe08ef718524a6d1d8bd8e9463bf837ddb549b2",
  "url": "https://osv.dev/vulnerability/CVE-2026-112043",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization",
    "summary": "A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.",
    "evidence": "osv:CVE-2026-112043",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-112043",
      "aliases": [
        "CVE-2026-112043"
      ],
      "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/E:X"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/calcom/cal.diy",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5c5d221c764418e03603a7536a9c89a5705006e8"
                },
                {
                  "last_affected": "1c193cca8682b33b9866c792186033f7ef886682"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "6.0"
                      },
                      {
                        "last_affected": "6.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "6.1"
                      },
                      {
                        "last_affected": "6.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "6.2.0"
                      },
                      {
                        "last_affected": "6.2.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "6.2.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.0",
            "6.1",
            "6.2.0",
            "v6.2.0",
            "v6.1.16",
            "v6.1.15",
            "v6.1.14",
            "v6.1.13",
            "v6.1.12",
            "v6.1.11",
            "v6.1.10",
            "v6.1.9",
            "v6.1.8",
            "v6.1.7",
            "v6.1.6",
            "v6.1.5",
            "v6.1.4",
            "v6.1.3",
            "v6.1.2",
            "v6.1.1",
            "v6.1.0",
            "v6.0.13",
            "v6.0.12",
            "v6.0.11",
            "v6.0.10",
            "v6.0.9",
            "v6.0.8",
            "v6.0.7",
            "v6.0.6",
            "v6.0.5",
            "v6.0.4",
            "v6.0.3",
            "v6.0.2",
            "v6.0.1",
            "v6.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112043.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:35.948891973Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112043.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-112043",
        "https://vuldb.com/cve/CVE-2026-112043",
        "https://vuldb.com/submit/1009017",
        "https://vuldb.com/vuln/421691",
        "https://github.com/calcom/cal.diy/issues/29982",
        "https://vuldb.com/vuln/421691/cti",
        "https://github.com/calcom/cal.diy/pull/30223"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-285",
          "CWE-639"
        ],
        "cna_assigner": "VulDB",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112043.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-112043",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 503462,
  "published_at": "2026-10-19T02:30:14.914+00:00"
}