SECURITY PoC — NO AUTH
This movie's CDN stream is playing without login or subscription
Blossom 4 — Episodes (29 of 29)
EP 1Blossom
EP 2Blossom 2
EP 3Blossom 3
EP 4Blossom 4
EP 5Blossom 5
EP 6Blossom 6
EP 7Blossom 7
EP 8Blossom 8
EP 9Blossom 9
EP 10Blossom 10
EP 11Blossom 11
EP 12Blossom 12
EP 13Blossom 13
EP 14Blossom 14
EP 15Blossom 15
EP 16Blossom 16
EP 17Blossom 17
EP 18Blossom 18
EP 19Blossom 19
EP 20Blossom 20
EP 22Blossom 21
EP 23Blossom 23
EP 24Blossom 24
EP 25Blossom 25
EP 26Blossom 26
EP 27Blossom 27
EP 28Blossom 28
EP 29Blossom 29
EP 30Blossom 30
Per-movie CDN bypass proof
The API returned
playingUrl for Blossom 4
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/v2/63946/0
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
72
video_name
Blossom.2024.S01E04.720p.IQIYI.WEB-DL.x264.ESub.Hollymoviehd.mp4
playingUrl returned
YES — URL in response
API playingUrl value
https://munowatch.co/clips/ELI.mp4
CDN stream
https://munotech2.b-cdn.net/kabuzi/kabuzi42/Blossom.2024.S01E04.720p.IQIYI.WEB-DL.x264.ESub.Hollymoviehd.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).