South Korea and Iran open direct talks over navigation through the Strait of Hormuz

A direct channel amid maritime tension

South Korean Foreign Minister Cho Hyun spoke with Iranian Foreign Minister Abbas Araghchi on September 11 about the Middle East conflict and freedom of navigation through the Strait of Hormuz. Seoul said Cho expressed deep concern about regional instability and reiterated South Korea’s support for safe passage by commercial vessels. The call marks a concrete diplomatic contact after days of increasingly sharp public exchanges between the two governments.

The conversation matters because South Korea is unusually exposed to disruption in the strait. It imports most of its primary energy and historically receives a large share of its crude oil through the passage. Any prolonged restriction therefore raises costs for Korean refiners, manufacturers and households. Seoul also has to balance that economic dependence against its security alliance with Washington and its long-standing diplomatic relationship with Tehran.

Pressure from both sides

The call followed reports that Seoul was reviewing ways to contribute to international maritime-security efforts. South Korea previously denied that a decision had been made to deploy forces and said any substantial new mission would face domestic legal and political scrutiny. Iranian officials, meanwhile, had warned that participation in US military operations would be regarded as support for Washington’s campaign against Iran.

Cho’s emphasis on navigation allowed Seoul to restate a principle without announcing a military commitment. Araghchi gained a direct opportunity to present Iran’s objections rather than relying only on public warnings. The exchange did not produce an agreement to reopen the strait or a timetable for further negotiations, and it should not be interpreted as a ceasefire initiative.

The wider legal and economic stakes

The United Nations has repeatedly treated unrestricted transit through the Strait of Hormuz as an international-security issue. UN documents reaffirm transit rights, call for protection of commercial vessels and urge diplomatic de-escalation. The UN secretary-general has also warned that disruption raises the prices of energy, food and fertiliser, spreading the consequences far beyond the states directly involved in the conflict.

The next test is whether the ministerial contact becomes a sustained channel. Seoul must decide whether it can make a practical contribution to maritime safety without entering the conflict, while Tehran must decide whether diplomatic engagement can coexist with its restrictions and military warnings. Parliamentary deliberations in South Korea, any follow-up calls and changes in commercial traffic will indicate whether this exchange reduced risk or merely clarified opposing positions.