{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "= 3.16.1"
              },
              {
                "last_affected": "= 3.16.1"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "c5a8c850269cad2ee65cd043f1045fba63cc99d0"
            },
            {
              "fixed": "36a618610174fd168fb255d9c8ecc0d2cf61a192"
            },
            {
              "fixed": "31c360a342e40d1423e5421c046e8f821b1154c4"
            }
          ],
          "repo": "https://github.com/baptistearno/typebot.io",
          "type": "GIT"
        }
      ],
      "versions": [
        "= 3.16.1"
      ]
    }
  ],
  "aliases": [
    "GHSA-fqf7-mmp5-j3jq"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48494.json"
  },
  "details": "TypeBot is a chatbot builder tool. In version 3.16.1, an authenticated user who has read access to any typebot can resume a WhatsApp preview webhook session that belongs to a different typebot by mixing an authorized `typebotId` and `blockId` and a foreign preview phone number tied to another preview session. The WhatsApp test-webhook handler authorizes the parent typebot first, but then resolves the preview chat session only by `wa-preview-{phone}`. As a result, an attacker can inject arbitrary webhook JSON into another workspace's WhatsApp preview session and advance its draft/unpublished flow without any access to the victim typebot. Version 3.17.0 patches the issue.",
  "id": "CVE-2026-48494",
  "modified": "2026-08-13T03:51:54.389259400Z",
  "published": "2026-08-11T17:09:33.029Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/baptisteArno/typebot.io/releases/tag/v3.17.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48494.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/baptisteArno/typebot.io/security/advisories/GHSA-fqf7-mmp5-j3jq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48494"
    },
    {
      "type": "FIX",
      "url": "https://github.com/baptisteArno/typebot.io/commit/36a618610174fd168fb255d9c8ecc0d2cf61a192"
    },
    {
      "type": "FIX",
      "url": "https://github.com/baptisteArno/typebot.io/pull/2499"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "TypeBot vulnerable to cross-typebot WhatsApp preview webhook resume via global `wa-preview-{phone}` session ids"
}