OpenClaw Windows Node before 2026.7.1 Denial of Service

{
  "id": "e89fb50c7df6a9c03e82e679b6f85c67015097d24665056a5bcc2606e554fcac",
  "url": "https://osv.dev/vulnerability/CVE-2026-101881",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenClaw Windows Node before 2026.7.1 Denial of Service",
    "summary": "OpenClaw Windows Node before 2026.7.1 contains an allocation of resources without limits vulnerability in the gateway WebSocket transport that allows connected gateways to exhaust node memory. Attackers can send an unending sequence of WebSocket continuation frames without EndOfMessage to cause unbounded memory growth until the node process crashes.",
    "evidence": "osv:CVE-2026-101881",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-101881",
      "aliases": [
        "CVE-2026-101881",
        "GHSA-xxr2-xm56-9cw5"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openclaw/openclaw-windows-node",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4206611f2b2e47cd575e1c8aa94e3e7708f6dd96"
                },
                {
                  "fixed": "1810e357aa0d0639099b347f31c746ba7d31512a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2026.7.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1810e357aa0d0639099b347f31c746ba7d31512a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4206611f2b2e47cd575e1c8aa94e3e7708f6dd96"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2026.7.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.6.12",
            "v0.6.11",
            "v0.6.3",
            "v0.6.2",
            "v0.6.2-alpha.1",
            "v0.6.1",
            "v0.6.0",
            "v0.6.0-alpha.15",
            "v0.6.0-alpha.14",
            "v0.6.0-alpha.13",
            "v0.6.0-alpha.12",
            "v0.6.0-alpha.11",
            "v0.6.0-alpha.10",
            "v0.6.0-alpha.9",
            "v0.6.0-alpha.7",
            "v0.6.0-alpha.6",
            "v0.6.0-alpha.5",
            "v0.6.0-alpha.4",
            "v0.6.0-alpha.3",
            "v0.6.0-alpha.2",
            "v0.6.0-alpha.1",
            "v0.5.0",
            "v0.4.7",
            "v0.4.6",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.0",
            "v0.2.0",
            "v0.1.0",
            "v0.0.9",
            "v0.0.7",
            "v0.0.8",
            "v0.0.6",
            "v0.0.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-101881.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.899625114Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101881.json",
        "https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1",
        "https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-xxr2-xm56-9cw5",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-101881",
        "https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-denial-of-service",
        "https://github.com/openclaw/openclaw-windows-node/commit/1810e357aa0d0639099b347f31c746ba7d31512a",
        "https://github.com/openclaw/openclaw-windows-node",
        "https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/WebSocketClientBase.cs#L217-L263"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-770"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101881.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-101881",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 519311,
  "published_at": "2026-09-30T19:16:02.477+00:00"
}