Vulnerability Advisory : Capgo - Unauthorized Channel Overwrite and Ownership Takeover via POST /channel Name Collision with LOW Attack Complexity

Capgo before 12.128.2 contains an authorization bypass vulnerability in the channel creation endpoint that allows authenticated users to overwrite existing channels by reusing their names. Attackers with app.create_channel permission can exploit a logic mismatch between existence validation and upsert operations to reassign channel ownership and modify critical production channel configurations.