Kuwait’s deputy foreign minister Khaled al-Jarallah has said on Tuesday that Kuwait conveyed messages from Iran to Saudi Arabia and Bahrain regarding the situation in the Gulf region, and "until now no answers have emerged".
He did not elaborate on what the message was or when it was delivered.
The Iranian Foreign Ministry had said last month that Iran is prepared to hold talks with regional rival Saudi Arabia, "with or without the help of a mediator".
At the time, Pakistan's Prime Minister Imran Khan visited both countries offering his mediation.
Saudi Arabia, which is locked in several proxy wars in the region with Iran, has blamed Tehran for attacks on Saudi oil plants on Sept. 14, a charge Iran denies. The kingdom has said it prefers a political solution to a military one.
Iran has also announced it has sent a "cooperation plan" to Persian Gulf Arab states.
Reporting by Reuters