BREW-OPENCLAW-CLI-CVE-20… (GHSA-CXMW-P77Q-WCHG)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:21 – Updated: 2026-09-25 08:57 – Source website
VLAI
Summary
OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface
Details

Summary

Android Canvas WebView pages from untrusted origins could invoke the JavascriptInterface bridge and inject instructions into the app.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected: < 2026.3.22
  • Fixed: >= 2026.3.22
  • Latest released tag checked: v2026.3.23-2 (630f1479c44f78484dfa21bb407cbe6f171dac87)
  • Latest published npm version checked: 2026.3.23-2

Fix Commit(s)

  • 8b02ef133275be96d8aac2283100016c8a7f32e5

Release Status

The fix shipped in v2026.3.22 and remains present in v2026.3.23 and v2026.3.23-2.

Code-Level Confirmation

  • apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt now snapshots page origin and rejects untrusted bridge calls.
  • apps/android/app/src/main/java/ai/openclaw/app/node/CanvasActionTrust.kt centralizes trusted origin and path validation for the bridge.

OpenClaw thanks @cyjhhh for reporting.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "2026.3.22"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "openclaw-cli",
        "purl": "pkg:brew/openclaw-cli"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2026.1.29"
            },
            {
              "fixed": "2026.3.24"
            }
          ],
          "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\nAndroid Canvas WebView pages from untrusted origins could invoke the JavascriptInterface bridge and inject instructions into the app.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: \u003c 2026.3.22\n- Fixed: \u003e= 2026.3.22\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Fix Commit(s)\n- `8b02ef133275be96d8aac2283100016c8a7f32e5`\n\n## Release Status\nThe fix shipped in `v2026.3.22` and remains present in `v2026.3.23` and `v2026.3.23-2`.\n\n## Code-Level Confirmation\n- apps/android/app/src/main/java/ai/openclaw/app/ui/CanvasScreen.kt now snapshots page origin and rejects untrusted bridge calls.\n- apps/android/app/src/main/java/ai/openclaw/app/node/CanvasActionTrust.kt centralizes trusted origin and path validation for the bridge.\n\nOpenClaw thanks @cyjhhh for reporting.",
  "id": "BREW-openclaw-cli-CVE-2026-35643",
  "modified": "2026-09-25T08:57:16Z",
  "published": "2026-08-13T17:21:32Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-cxmw-p77q-wchg"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35643"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/8b02ef133275be96d8aac2283100016c8a7f32e5"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-unvalidated-webview-javascriptinterface"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw: Arbitrary code execution via unvalidated WebView JavascriptInterface",
  "upstream": [
    "GHSA-cxmw-p77q-wchg",
    "CVE-2026-35643"
  ]
}



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