free5gc UDR fail-open request handling in PolicyDataSubsToNotifySubsIdPut may allow unintended subscription updates after input errors

Summary A fail-open request handling flaw in the UDR service causes the /nudr-dr/v2/policy-data/subs-to-notify/subsId PUT handler to continue processing requests even after request body retrieval or deserialization errors. This may allow unintended modification of existing Policy Data notificatio...