BREW-OPENCLAW-CLI-CVE-20… (GHSA-9P3R-HH9G-5CMG)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-25 08:57 – Source website
VLAI
Summary
OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile
Details

Summary

Sandbox escape via TOCTOU race in remote FS bridge readFile

Current Maintainer Triage

  • Normalized severity: critical
  • Assessment: v2026.3.28 remote sandbox reads still do path-check then separate file read, so the TOCTOU sandbox escape remains present in the latest shipped tag.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published npm version: 2026.3.31
  • Vulnerable version range: <=2026.3.28
  • Patched versions: >= 2026.3.31
  • First stable tag containing the fix: v2026.3.31

Fix Commit(s)

  • 121870a08583033ed6a0ed73d9ffea32991252bb — 2026-03-31T09:55:51+09:00

OpenClaw thanks @AntAISecurityLab for reporting.

Severity
8.2 (High)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.3.31"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "openclaw-cli",
        "purl": "pkg:brew/openclaw-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2026.1.29"
            },
            {
              "fixed": "2026.3.31"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "npm",
        "key": "pkg:npm/openclaw@2026.9.6",
        "name": "openclaw",
        "strategy": "registry",
        "subject_version": "2026.9.6"
      }
    ]
  },
  "details": "## Summary\nSandbox escape via TOCTOU race in remote FS bridge readFile\n\n## Current Maintainer Triage\n- Normalized severity: critical\n- Assessment: v2026.3.28 remote sandbox reads still do path-check then separate file read, so the TOCTOU sandbox escape remains present in the latest shipped tag.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `121870a08583033ed6a0ed73d9ffea32991252bb` \u2014 2026-03-31T09:55:51+09:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-41296",
  "modified": "2026-09-25T08:57:16Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-9p3r-hh9g-5cmg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41296"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/121870a08583033ed6a0ed73d9ffea32991252bb"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.3.31"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-toctou-race-in-remote-fs-bridge-readfile"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile",
  "upstream": [
    "GHSA-9p3r-hh9g-5cmg",
    "CVE-2026-41296"
  ]
}



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