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OpenClaw Windows Node before 2026.7.1 Authorization Bypass

Type: advisorySources: OSV

OpenClaw Windows Node before 2026.7.1 contains an incorrect authorization vulnerability in the system.run exec-approval policy where ExecShellWrapperParser fails to split commands on pipe operators or extract command substitutions. Connected gateways or agents can bypass approval rules by placing denied commands behind allowed prefixes using pipe operators or command substitution syntax, achieving arbitrary command execution on Windows hosts.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-101880
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 01:06 UTC · Revision 1

Source evidence

OpenClaw Windows Node before 2026.7.1 Authorization Bypass

core-osv · Original source

Published 30 Sept 2026, 19:16 UTC

OpenClaw Windows Node before 2026.7.1 contains an incorrect authorization vulnerability in the system.run exec-approval policy where ExecShellWrapperParser fails to split commands on pipe operators or extract command substitutions. Connected gateways or agents can bypass approval rules by placing denied commands behind allowed prefixes using pipe operators or command substitution syntax, achieving arbitrary command execution on Windows hosts.

osv:CVE-2026-101880
Complete source record
{
  "id": "1777fb257217b3743f08d8cac4b9f3563615b626794df1d104c3f9049ee47a8f",
  "url": "https://osv.dev/vulnerability/CVE-2026-101880",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OpenClaw Windows Node before 2026.7.1 Authorization Bypass",
    "summary": "OpenClaw Windows Node before 2026.7.1 contains an incorrect authorization vulnerability in the system.run exec-approval policy where ExecShellWrapperParser fails to split commands on pipe operators or extract command substitutions. Connected gateways or agents can bypass approval rules by placing denied commands behind allowed prefixes using pipe operators or command substitution syntax, achieving arbitrary command execution on Windows hosts.",
    "evidence": "osv:CVE-2026-101880",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-101880",
      "aliases": [
        "CVE-2026-101880"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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": "2077aa3e7159101bddcee2f4efcb9d604a81619e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2026.7.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "2077aa3e7159101bddcee2f4efcb9d604a81619e"
                      }
                    ],
                    "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-2026-101880.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.819030647Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101880.json",
        "https://github.com/openclaw/openclaw-windows-node/releases/tag/v2026.7.1",
        "https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-r3x2-vf2f-vvj8",
        "https://github.com/openclaw/openclaw-windows-node/security/advisories/GHSA-vg38-vjq2-vgvh",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-101880",
        "https://www.vulncheck.com/advisories/openclaw-windows-node-before-2026.7.1-authorization-bypass",
        "https://github.com/openclaw/openclaw-windows-node/commit/2077aa3e7159101bddcee2f4efcb9d604a81619e",
        "https://github.com/openclaw/openclaw-windows-node",
        "https://github.com/openclaw/openclaw-windows-node/blob/v0.6.12/src/OpenClaw.Shared/ExecShellWrapperParser.cs#L253"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101880.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-101880",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 513704,
  "published_at": "2026-09-30T19:16:01.717+00:00"
}