Ukraine Opens EU Accession Talks After Hungary Lifts Veto

Ukraine and Moldova formally opened their first accession negotiation cluster with the European Union on Monday at an Intergovernmental Conference in Luxembourg, marking a historic breakthrough made possible by the dramatic political shift in Hungary following the ouster of former Prime Minister Viktor Orban.

European Council President António Costa and European Commission President Ursula von der Leyen jointly announced that all 27 EU member states had agreed to open Cluster 1, known as the “Fundamentals” cluster, which covers core EU values including the rule of law, democratic institutions, fundamental rights, and public administration reform. As France 24 reported, the move represents a fresh show of support for Kyiv amid Russia’s ongoing war.

A Breakthrough Years in the Making

Ukraine submitted its application for EU membership on February 28, 2022, just days after Russia launched its full-scale invasion, and was granted candidate status in June of that year. However, concrete progress was repeatedly blocked by Hungary under Viktor Orban, who maintained close ties with Moscow and cited the treatment of ethnic Hungarians in Ukraine’s Zakarpattia region as justification for his veto.

That obstacle was removed in the April 2026 Hungarian parliamentary elections, when Orban’s Fidesz party was defeated by the Tisza party led by Peter Magyar, ending Orban’s 16-year grip on power. The new government quickly moved to reset relations with Kyiv, culminating in a comprehensive agreement on minority rights for ethnic Hungarians in Ukraine.

According to Balkan Insight, the “historic agreement” covers the restoration of educational rights for ethnic Hungarians, including the reopening of minority schools with Hungarian as the language of instruction, as well as the use of Hungarian in administration in areas where the minority constitutes over 10 percent of the population.

Andras Racz, a senior fellow at the Berlin-based DGAP research institute, described the development as “an absolute breakthrough.” He told BIRN: “Both sides have made significant and strategic concessions. It shows that if there is political will, change is possible.”

What the Fundamentals Cluster Covers

The opening of Cluster 1 is the first major procedural step in what remains a lengthy and complex accession process. The EU accession framework encompasses 33 negotiating chapters organized across six clusters. The Fundamentals cluster is deliberately opened first and closed last, serving as the backbone of the entire process.

As European Western Balkans reported, European Commissioner for Enlargement Marta Kos described the day as “a big Monday for enlargement,” adding that both Ukraine and Moldova “have delivered results” in advancing reforms despite immense challenges.

A Long Road Ahead

Despite the historic nature of Monday’s milestone, EU and Hungarian officials have cautioned against expectations of a fast-track accession process. Prime Minister Peter Magyar has made clear that Hungary does not support accelerated membership for Ukraine, insisting that the Western Balkan countries should progress on the same basis.

Magyar has suggested a timeline of 10 to 15 years for Ukraine to complete all 33 negotiating chapters, after which Hungary would hold a public referendum on Ukrainian membership. Racz confirmed that “there is no EU country which has Ukraine’s accelerated accession officially on its agenda.”

The joint statement from Costa and von der Leyen framed enlargement as a strategic choice. “By bringing our countries closer together, we strengthen peace, security, and prosperity across our continent,” they said. “In a world characterized by growing uncertainty, an enlarged European Union serves our shared interests.”

Moldova’s Parallel Path

Moldova, which applied for EU membership three days after Ukraine in March 2022, is progressing through the same process alongside its neighbor. Both countries received candidate status in June 2022 and are now moving through the accession framework in tandem.

Commissioner Kos expressed hope that all five remaining negotiation clusters could be opened as early as July 2026, which would represent an accelerated pace compared to typical EU enlargement timelines.

Broader Geopolitical Implications

The removal of Hungary’s veto represents more than just procedural progress for Ukraine. Orban’s government was widely regarded as the primary pro-Russian voice within the EU, and his replacement with a pro-European government under Magyar strengthens EU unity on Ukraine and Russia policy.

The development also sends a clear strategic message to Moscow that Ukraine’s future lies with the West, despite Russia’s ongoing war. Additionally, Hungary’s insistence on equal treatment for Western Balkan countries — including Serbia, Montenegro, Albania, North Macedonia, Bosnia, and Kosovo — may accelerate their accession processes as well.

Challenges Ahead

Ukraine faces the unprecedented challenge of implementing EU-mandated reforms while fighting a war on its territory. The IMF recently reached a preliminary agreement with Ukraine that could release approximately $690 million in additional funding under the $8.1 billion loan programme, signaling continued international financial support.

The EU itself must also undergo institutional reforms to accommodate new members, a politically sensitive process that will require consensus among existing member states. As the accession process moves forward, the question of whether Ukraine can maintain reform momentum while defending itself against Russian aggression will remain central to the bloc’s enlargement strategy.

What to Watch For

Commissioner Kos has indicated that all five remaining negotiation clusters could be opened by July 2026, which would mark a significant acceleration of the process. The coming months will also see high-level diplomatic engagement between Kyiv and Budapest, with a meeting between President Zelensky and Prime Minister Magyar expected in the near future.

For now, Monday’s Intergovernmental Conference in Luxembourg marks the most significant step forward in Ukraine’s European integration since it was granted candidate status four years ago — a milestone made possible by a seismic political shift in Budapest and a renewed commitment to European unity.