Garden Hose Connector Leaking

If the Garden hose is leaking from the hose connector.
Garden hose connector leaking. That said garden hose connectors is a general term used to describe the various garden hose fittings. If your hose always leaks from around the connection to the water tap you may have either a problem with the spigot itself or the hose fitting. Sounds like the pressure increase in the hose when it retracts is causing it to leak.
This adaptor leaks under modest pressure and the top of the tap where the handle screws in leaks under high pressure. If it failed to give you the expected outcome you might need leak-proof garden hose fittings immediately. When the leak is coming from the hose connector your first fix would be in changing the gasket.
That should be evident if you look at them and may be amenable to fixing with a triangular file. Turn off the water disconnect the hose and remove the torn section with a hose cutter or garden shears. You have to seal it with an O-ring to get a better solution.
Make use of the various less costly tricks to repair your hose before discarding it. Leaking from the end of the hose. Attach the cut ends of the hose to the connectors of the hose mender twisting the two.
Some times it can fall out or deteriorate. If your hose is leaking at a connection further down the hose for example where two hoses are connected then turn off the water. The hose is not tightened so the rubber seal is not sealing on the end of the spigot.
A leaky garden hose can pose all sorts of problems. Meets The EU RoHS Directive 201165EU Claim. All garden hose connections need a rubber gasket in the female side.