CVE-2026-89252: Authorization Bypass Through User-Controlled Key in WWBN AVideo
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.
AI Analysis
Technical Summary
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 does not verify ownership in addLiveLink.php when updating LiveLinks. This allows authenticated users with canStream permission to overwrite another user's LiveLink HLS source and metadata by providing an existing linkId. The vulnerability enables redirection of viewers to media controlled by the attacker.
Potential Impact
An authenticated user with limited privileges (canStream) can modify LiveLink resources belonging to other users, potentially redirecting viewers to malicious or attacker-controlled media. This could lead to unauthorized content manipulation and trust issues in media delivery.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-89252: Authorization Bypass Through User-Controlled Key in WWBN AVideo
Description
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 fails to verify ownership in addLiveLink.php when updating LiveLinks, allowing authenticated users to modify other users' links. A canStream user can overwrite another user's LiveLink HLS source and metadata by supplying an existing linkId, redirecting viewers to attacker-controlled media.
CVSS v4.0
Score 7.1high
Affected software
WWBN
AVideo
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 does not verify ownership in addLiveLink.php when updating LiveLinks. This allows authenticated users with canStream permission to overwrite another user's LiveLink HLS source and metadata by providing an existing linkId. The vulnerability enables redirection of viewers to media controlled by the attacker.
Potential Impact
An authenticated user with limited privileges (canStream) can modify LiveLink resources belonging to other users, potentially redirecting viewers to malicious or attacker-controlled media. This could lead to unauthorized content manipulation and trust issues in media delivery.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-11T10:51:59.215Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa3e6e091cc7f38481866c1
Added to database: 09/11/2026, 11:32:48 UTC
Last enriched: 09/11/2026, 11:47:25 UTC
Last updated: 09/11/2026, 20:15:24 UTC
Views: 9
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