BREW-OPENCLAW-CLI-CVE-20… (GHSA-3HCM-GGVF-RCH5)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-20 10:38 – Source website
VLAI
Summary
OpenClaw has an exec allowlist bypass via command substitution/backticks inside double quotes
Details

Summary

Exec approvals allowlist bypass via command substitution/backticks inside double quotes.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: <= 2026.2.1
  • Fixed: >= 2026.2.2

Impact

Only affects setups that explicitly enable the optional exec approvals allowlist feature. Default installs are unaffected.

Fix

Reject unescaped $() and backticks inside double quotes during allowlist analysis.

Fix Commit(s)

  • d1ecb46076145deb188abcba8f0699709ea17198

Thanks @simecek for reporting.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.2.2"
      },
      "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@2026.9.5",
        "name": "openclaw",
        "strategy": "registry",
        "subject_version": "2026.9.5"
      }
    ]
  },
  "details": "### Summary\n\nExec approvals allowlist bypass via command substitution/backticks inside double quotes.\n\n### Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected: `\u003c= 2026.2.1`\n- Fixed: `\u003e= 2026.2.2`\n\n### Impact\n\nOnly affects setups that explicitly enable the optional exec approvals allowlist feature. Default installs are unaffected.\n\n### Fix\n\nReject unescaped `$()` and backticks inside double quotes during allowlist analysis.\n\n### Fix Commit(s)\n\n- d1ecb46076145deb188abcba8f0699709ea17198\n\nThanks @simecek for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-28470",
  "modified": "2026-09-20T10:38:25Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-3hcm-ggvf-rch5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28470"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/d1ecb46076145deb188abcba8f0699709ea17198"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/releases/tag/v2026.2.2"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-exec-allowlist-bypass-via-command-substitution-in-double-quotes"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw has an exec allowlist bypass via command substitution/backticks inside double quotes",
  "upstream": [
    "GHSA-3hcm-ggvf-rch5",
    "CVE-2026-28470"
  ]
}



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