Houthi Red Sea attacks risk reigniting Yemen's conflict and disrupting global shipping

On a Monday in late August, the Iran-backed Houthis struck another crude oil tanker in the Red Sea off Saudi Arabia's coast. It was the latest in a series of attacks that have shattered four years of relative quiet in Yemen and raised the specter of a return to full-scale war. The strikes target not just ships but the strategic arteries of global commerce—the Bab el-Mandeb Strait, a narrow waterway connecting the Red Sea to the Gulf of Aden, has become a flashpoint where regional ambitions collide with the machinery of international trade.

The Houthis are pursuing multiple objectives at once, according to Hisham Al-Omeisy, a Yemeni conflict analyst. They want to weaken the Saudi-backed government's grip on the Red Sea coast, particularly around the port city of Mokha, which overlooks both the strait and the sea itself. Control of this territory would give them leverage over one of the world's most critical shipping lanes. But the calculus runs deeper. The Houthis, who consolidated power as Yemen's de facto rulers after the 2022 ceasefire, face mounting pressure at home to deliver on promises they made—reforming government, paying salaries, improving daily life. By escalating military operations, they redirect attention outward, framing themselves as warriors against external threats rather than administrators who have failed to govern effectively. At the same time, they are testing Saudi Arabia's resolve. The kingdom has continued bankrolling and arming the Yemeni government while maintaining air and port blockades around Houthi-controlled areas. The Houthis believe they can extract further concessions by demonstrating they remain a force to be reckoned with.

Saudi Arabia finds itself in a precarious position. The kingdom's Vision 2030 economic transformation depends on stability and investor confidence. Houthi attacks disrupt shipping, raise insurance costs, and deter the foreign capital the country needs. Yet Saudi leaders also fear being pulled back into the grinding conflict that consumed Yemen from 2014 to 2022. In July, Saudi Arabia launched a Maritime Defense Alliance with more than fourteen countries, including the United States, to distribute the burden of protecting Red Sea commerce. In August, it joined a defense pact with Pakistan and Turkey. These moves reflect a strategy of building a broader security architecture rather than shouldering the load alone. But as Alice Gower, director of geopolitics and security at the London-based consulting firm Azure Strategy, notes, it remains unclear whether these coalitions will prove effective.

Some analysts are blunt about the limits of diplomacy and alliances. Mohammed al-Basha, founder of a U.S.-based risk advisory firm, told the Financial Times that Saudi Arabia faces a choice: either pay the Houthis billions and hope they remain satisfied, or invest that money in supporting Yemeni anti-Houthi forces capable of pushing back militarily. Neither path guarantees peace.

For Yemen's population, the stakes could hardly be higher. The United Nations estimates that more than half of Yemen's people—in a country of over twenty million—require humanitarian assistance. The country is already suffering one of the world's worst humanitarian crises after years of war. Renewed fighting would deepen that catastrophe. Niku Jafarnia, a Yemen researcher at Human Rights Watch, said it feels impossible to imagine worse conditions than those already endured, yet escalation threatens to make things worse still. The UN's high commissioner for human rights, Volker Türk, has urged all parties to halt actions that risk returning Yemen to full-scale conflict.

Tawakkol Karman, a Yemeni Nobel Peace Prize laureate and human rights defender, argues that any serious peace effort must address the root cause: the collapse of the Yemeni state itself. She points to the National Dialogue outcomes—agreements reached through consensus among all Yemeni factions, including the Houthis, under UN auspices—as the most realistic roadmap forward. Whether that roadmap can still be followed depends on whether the current escalation can be contained through diplomacy before the cycle of violence becomes irreversible.