BREW-OPENCLAW-CLI-CVE-20… (GHSA-3X3X-H76W-HP98)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-25 08:57 – Source website
VLAI
Summary
OpenClaw exec allowlist safeBins short-option bypass could permit arbitrary file write
Details

Summary

OpenClaw exec allowlist/safeBins policy could be bypassed with attached short-option payloads (for example sort -o/tmp/poc), enabling file-write operations while still satisfying safeBins checks.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected versions: <= 2026.2.17
  • Latest published vulnerable version: 2026.2.17
  • Patched in: 2026.2.19

Impact

When tools.exec.security=allowlist and tools.exec.safeBins included affected binaries, attached short-option payloads could bypass safeBins argument validation and permit file-write behavior that should have been denied.

Fix Commit(s)

  • cfe8457a0f4aae5324daec261d3b0aad1461a4bc
  • bafdbb6f112409a65decd3d4e7350fbd637c7754
  • fec48a5006eab37c6a5821726ccaeec886486b13

OpenClaw thanks @FailButWin and @Redgrave961 for reporting.

Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
6.0 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.2.19"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "openclaw-cli",
        "purl": "pkg:brew/openclaw-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.7.1"
            }
          ],
          "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\nOpenClaw `exec` allowlist/safeBins policy could be bypassed with attached short-option payloads (for example `sort -o/tmp/poc`), enabling file-write operations while still satisfying safeBins checks.\n\n### Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.2.17`\n- Latest published vulnerable version: `2026.2.17`\n- Patched in: `2026.2.19`\n\n### Impact\nWhen `tools.exec.security=allowlist` and `tools.exec.safeBins` included affected binaries, attached short-option payloads could bypass safeBins argument validation and permit file-write behavior that should have been denied.\n\n### Fix Commit(s)\n- cfe8457a0f4aae5324daec261d3b0aad1461a4bc\n- bafdbb6f112409a65decd3d4e7350fbd637c7754\n- fec48a5006eab37c6a5821726ccaeec886486b13\n\nOpenClaw thanks @FailButWin and @Redgrave961 for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-32017",
  "modified": "2026-09-25T08:57:09Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-3x3x-h76w-hp98"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32017"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/bafdbb6f112409a65decd3d4e7350fbd637c7754"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/cfe8457a0f4aae5324daec261d3b0aad1461a4bc"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/fec48a5006eab37c6a5821726ccaeec886486b13"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-short-option-bypass-in-exec-allowlist"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw exec allowlist safeBins short-option bypass could permit arbitrary file write",
  "upstream": [
    "GHSA-3x3x-h76w-hp98",
    "CVE-2026-32017"
  ]
}



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