{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.0.53"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a8ff9b0ed2a0e87a1b66be56ca0a0ea877e19402"
            }
          ],
          "repo": "https://github.com/heymrun/heym",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-pm6h-x3h5-j38h"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101050.json"
  },
  "details": "Heym before 0.0.53 fails to verify the X-Telegram-Bot-Api-Secret-Token header on Telegram webhook endpoints when credential_id is absent or secret_token is empty. Remote unauthenticated attackers can post forged Telegram updates to trigger workflows with the owner's configured credentials and execute actions on attacker-supplied input.",
  "id": "CVE-2026-101050",
  "modified": "2026-09-28T03:30:16.393968842Z",
  "published": "2026-09-27T16:28:28.766Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101050.json"
    },
    {
      "type": "FIX",
      "url": "https://github.com/heymrun/heym/commit/341d1012367cd74f85c617e1c98dd49e3fcb5e83"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/heymrun/heym/security/advisories/GHSA-pm6h-x3h5-j38h"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101050"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/heym-before-0.0.53-authentication-bypass-via-telegram-webhook"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Heym before 0.0.53 Authentication Bypass via Telegram Webhook"
}