{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.2.14"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "clawdbot"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2026.1.24-3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-02-18T00:52:36Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "## Summary\n\nBase64-backed media inputs could be decoded into Buffers before enforcing decoded-size budgets. An attacker supplying oversized base64 payloads can force large allocations, causing memory pressure and denial of service.\n\n## Attack Scenario Notes\n\n- Recommended deployments bind the gateway to loopback by default and require gateway auth for HTTP endpoints. In that configuration, this is best modeled as a local/authorized DoS.\n- If an operator exposes the gateway to untrusted networks (or disables/weakens auth and rate limits), treat this as a higher-severity network DoS risk.\n\n## Affected Packages / Versions\n\n- openclaw (npm): \u003c= 2026.2.13\n- clawdbot (npm): \u003c= 2026.1.24-3\n\n## Fixed In\n\n- openclaw (npm): 2026.2.14 (planned)\n- clawdbot (npm): no patched release planned; migrate to openclaw\n\n## Fix Commit(s)\n\n- 31791233d60495725fa012745dde8d6ee69e9595\n\n## Credits\nThanks @vincentkoc for reporting.",
  "id": "GHSA-w2cg-vxx6-5xjg",
  "modified": "2026-02-18T00:52:36Z",
  "published": "2026-02-18T00:52:36Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjg"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69e9595"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.2.14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OpenClaw: denial of service through large base64 media files allocating large buffers before limit checks"
}