GHSA-659F-22XC-98F2

Vulnerability from github – Published: 2026-03-03 23:00 – Updated: 2026-03-03 23:00
VLAI
Summary
OpenClaw hook transform path containment missed symlink-resolved escapes
Details

Vulnerability

Webhook transform modules were validated with lexical path checks only. A symlink under the allowed hooks transform tree could resolve outside the intended directory and be dynamically imported.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Affected versions: <= 2026.2.21-2
  • Patched version (planned next release): 2026.2.22

Impact

When an attacker can cause a transform module path to reference a symlinked entry that resolves outside the trusted transform directory, the gateway may import and execute unintended JavaScript with gateway-process privileges.

Attack Preconditions

  • Hook transforms are enabled and reachable.
  • Attacker can influence transform path resolution (for example via privileged config access and/or writable filesystem path in the transform tree).
  • A symlink escape exists to attacker-controlled code.

Remediation

  • Enforce realpath-aware containment for existing path ancestors before dynamic import.
  • Keep lexical containment checks for traversal and absolute-path escapes.
  • Add regression coverage for:
  • transform module symlink escape rejection,
  • hooks.transformsDir symlink escape rejection,
  • in-root symlink allow-case.

Fix Commit(s)

  • f4dd0577b055f77af783105bd65eae32f3d5e6a1

OpenClaw thanks @aether-ai-agent for reporting.

Show details on source website

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2026.2.21-2"
      },
      "package": {
        "ecosystem": "npm",
        "name": "openclaw"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2026.2.22"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-03-03T23:00:53Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "## Vulnerability\n\nWebhook transform modules were validated with lexical path checks only. A symlink under the allowed hooks transform tree could resolve outside the intended directory and be dynamically imported.\n\n## Affected Packages / Versions\n\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c= 2026.2.21-2`\n- Patched version (planned next release): `2026.2.22`\n\n## Impact\n\nWhen an attacker can cause a transform module path to reference a symlinked entry that resolves outside the trusted transform directory, the gateway may import and execute unintended JavaScript with gateway-process privileges.\n\n## Attack Preconditions\n\n- Hook transforms are enabled and reachable.\n- Attacker can influence transform path resolution (for example via privileged config access and/or writable filesystem path in the transform tree).\n- A symlink escape exists to attacker-controlled code.\n\n## Remediation\n\n- Enforce realpath-aware containment for existing path ancestors before dynamic import.\n- Keep lexical containment checks for traversal and absolute-path escapes.\n- Add regression coverage for:\n  - transform module symlink escape rejection,\n  - `hooks.transformsDir` symlink escape rejection,\n  - in-root symlink allow-case.\n\n## Fix Commit(s)\n\n- `f4dd0577b055f77af783105bd65eae32f3d5e6a1`\n\nOpenClaw thanks @aether-ai-agent for reporting.",
  "id": "GHSA-659f-22xc-98f2",
  "modified": "2026-03-03T23:00:53Z",
  "published": "2026-03-03T23:00:53Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-659f-22xc-98f2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openclaw/openclaw/commit/f4dd0577b055f77af783105bd65eae32f3d5e6a1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/openclaw/openclaw"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenClaw hook transform path containment missed symlink-resolved escapes"
}



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