{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c2c136ae9517ddd0789d742a0fdf4c10e8c729a7"
            }
          ],
          "repo": "https://github.com/openclaw/openclaw",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-vcx4-4qxg-mfp4"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-307"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35628.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "2026.3.25"
          }
        ],
        "source": "AFFECTED_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "2026.3.25"
          }
        ],
        "source": "CPE_FIELD"
      },
      {
        "extracted_events": [
          {
            "fixed": "2026.3.25"
          }
        ],
        "source": "DESCRIPTION"
      }
    ]
  },
  "details": "OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allows attackers to brute-force weak webhook secrets. The vulnerability enables repeated authentication guesses without throttling, permitting attackers to systematically guess webhook secrets through brute-force attacks.",
  "id": "CVE-2026-35628",
  "modified": "2026-07-15T01:48:52.685697935Z",
  "published": "2026-04-09T21:27:00.140Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35628.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-vcx4-4qxg-mfp4"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35628"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-telegram-webhook-rate-limiting"
    },
    {
      "type": "FIX",
      "url": "https://github.com/openclaw/openclaw/commit/c2c136ae9517ddd0789d742a0fdf4c10e8c729a7"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw \u003c 2026.3.25 - Brute-Force Attack via Missing Telegram Webhook Rate Limiting"
}