Watch — Infernal Affairs 38

SECURITY PoC — NO AUTH

This movie's CDN stream is playing without login or subscription

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Per-movie CDN bypass proof The API returned playingUrl for Infernal Affairs 38 with issubscriber: false, user_access: deny, and paid_for: true. The video_name + serverhost from the API response are used to construct the CDN URL above, confirming that the file for this specific movie is publicly accessible with no authentication.

Security research evidence Inspect entitlement results, CDN URLs, and the raw API response Access control failed

API response evidence

Endpoint called GET /api/preview/v2/45131/0

User ID used 0 (no user / not logged in)

JWT used Expired Feb 2024 (extracted from APK)

issubscriber false

user_access deny

paid_for YES (premium content)

substatus EXPIRED

serverhost 54

video_name Watch Infernal Affairs (2023) Episode 38 Online With English sub - Dramacool.mp4

playingUrl returned YES — URL in response

API playingUrl value https://munowatch.co/clips/ELI.mp4

CDN stream https://nkuba.b-cdn.net/cleve48/cfr/Watch%20Infernal%20Affairs%20%282023%29%20Episode%2038%20Online%20With%20English%20sub%20-%20Dramacool.mp4

Finding: The server sets user_access=deny and issubscriber=false but still returns playingUrl in the same response. Subscription is enforced client-side only — any caller with the expired APK JWT can obtain stream URLs without a subscription. Munowatch CDN (b-cdn.net) serves content with no auth required (direct HTTP Range requests succeed with HTTP 206).

{
    "id": 45131,
    "video_title": "Infernal Affairs 38",
    "description": " The drama tells the story of a game of life and death between the Communists and their rival forces in 1944, on the eve of the Japanese surrender, in search of their faith in their country.",
    "video_name": "Watch Infernal Affairs (2023) Episode 38 Online With English sub - Dramacool.mp4",
    "filehistory": "",
    "openload": "0",
    "embedurl": "",
    "serverhost": "54",
    "allow_openload": "0",
    "full_video_name": "",
    "duration": "45h 23m",
    "thumbnail": "https://apposters.b-cdn.net/laba/yo/naki/ax33GbMVJ01692.jpg",
    "tfilehistory": "",
    "category_id": 5,
    "language_id": 1,
    "recording_date": "2023-10-20",
    "age_id": "18 +",
    "location": 1,
    "tab_category_id": 5,
    "series_code": "25277",
    "access": "1",
    "paid_for": "1",
    "new_movie": "1",
    "priority": "No",
    "size": "399.3 MB",
    "create_date": "2024-01-12 09:01:44",
    "schedule_date": "20.10.2023 02:28:18 PM",
    "user_id": 1118356,
    "vj_id": 29,
    "video_status_id": 0,
    "network_id": "154.227.128.209",
    "user_access": "deny",
    "notification": "",
    "secduration": "163380.000000",
    "issubscriber": false,
    "genre": "Series",
    "vjname": "Vj Little T",
    "trailer_playing_url": "",
    "episodes": 40,
    "episode_state": "NEXT",
    "nxt_eps": "EPS  39",
    "nxt_eps_id": 45132,
    "nxt_eps_title": "Infernal Affairs 39",
    "nxt_ldur": 0,
    "nxt_playing_url": "https://munowatch.co/clips/ELI.mp4",
    "playingUrl": "https://munowatch.co/clips/ELI.mp4",
    "ldur": 0,
    "session_id": "cb99afb5b31411a57538a97393de0e2e",
    "device": "web",
    "lang_name": "English to Luganda",
    "vjrelease": "2 years ago",
    "mstatus": false,
    "kstatus": "",
    "substatus": "EXPIRED"
}