CVE-2026-41389: OpenClaw Remote Code Execution Vulnerability

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-mr34-9552-qr95",
  "modified" : "2026-05-08T01:13:04Z",
  "published" : "2026-04-17T22:33:09Z",
  "aliases" : [ "CVE-2026-41389" ],
  "summary" : "OpenClaw: Webchat media embedding enforces local-root containment for tool-result files",
  "details" : "## Summary\n\nWebchat tool-result media normalization could pass local and UNC-style file paths into the host-side media embedding path without applying the configured local-root containment policy.\n\n## Impact\n\nA crafted tool-result media reference could cause the host to attempt local file reads or Windows UNC/network path access while preparing webchat media blocks. This could disclose allowed host files or trigger network credential exposure on affected Windows deployments. Severity remains medium because exploitation depends on a tool-result media path reaching the webchat embedding path, but the sink is a host-side file read before the user sees the rendered result.\n\n## Affected versions\n\n- Affected: `>= 2026.4.7, < 2026.4.15`\n- Patched: `2026.4.15`\n\n## Fix\n\nOpenClaw `2026.4.15` hardens the webchat media path and the shared media resolver. Remote-host `file://` URLs and Windows network paths are rejected before filesystem access, and audio embedding now enforces configured `localRoots` containment before `stat` or read operations.\n\nVerified in `v2026.4.15`:\n\n- `src/gateway/server-methods/chat-webchat-media.ts` uses safe file-URL parsing, rejects Windows network paths, and calls `assertLocalMediaAllowed` before probing local audio files.\n- `src/media/web-media.ts` rejects remote-host `file://` URLs, Windows network paths, and local-root bypasses on the shared media path.\n- `src/gateway/server-methods/chat-webchat-media.test.ts` covers both remote-host `file://` rejection and local-root denial before filesystem access.\n\nFix commits included in `v2026.4.15` and absent from `v2026.4.14`:\n\n- `1470de5d3e0970856d86cd99336bb8ada3fe87da` via PR #67293\n- `6e58f1f9f54bca1fea1268ec0ee4c01a2af03dde` via PR #67298\n- `52ef42302ead9e183e6c8810e0a04ee4ef8ae9fc` via PR #67303 as defense-in-depth for trusted media passthrough anchoring\n\nThanks to @Kherrisan for reporting this issue.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "openclaw"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2026.4.7"
      }, {
        "fixed" : "2026.4.15"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-mr34-9552-qr95"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-41389"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/pull/67293"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/pull/67298"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/pull/67303"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/1470de5d3e0970856d86cd99336bb8ada3fe87da"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/52ef42302ead9e183e6c8810e0a04ee4ef8ae9fc"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openclaw/openclaw/commit/6e58f1f9f54bca1fea1268ec0ee4c01a2af03dde"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openclaw/openclaw"
  }, {
    "type" : "WEB",
    "url" : "https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-unvalidated-tool-result-media-paths"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22", "CWE-73" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-17T22:33:09Z",
    "nvd_published_at" : null
  }
}