A recent Wall Street Journal report highlights how Germany’s investigation into the Nord Stream pipeline sabotage is dividing opinion in Europe and risks damaging relations with Poland. Berlin’s investigators have emphasized a Ukrainian lead in the attack, a line of inquiry critics say was predictable and has distracted from other possible explanations.
Tensions have already flared over extradition decisions. A Polish judge’s refusal to hand over a Ukrainian suspect has soured bilateral relations, and an impending Italian extradition could produce a high-profile, politicized trial that further escalates the dispute.
Germany faces a delicate choice. It needs to assign responsibility for one of the most consequential sabotage incidents in recent memory, but pursuing an American angle — raised publicly by journalist Seymour Hersh in 2023 — could provoke severe pushback from Washington. Alleging U.S. involvement might trigger punitive responses from a U.S. administration and could prompt a shift of some U.S. military infrastructure from Germany toward Poland, altering regional security dynamics.
At the same time, emphasizing a Ukrainian trail implicates Poland indirectly and risks hurting Warsaw’s international standing. Even insinuations that a NATO ally passively facilitated or covered up aspects of an attack on another member would have concrete consequences. German findings that tie Poland to the incident could be wielded to withhold support in a hypothetical Russia-Poland confrontation or to justify other diplomatic and security measures against Warsaw.
The political stakes are domestic as well as bilateral. Poland has proposed that Germany subsidize its arms industry as a form of World War II reparations; Berlin could argue that any Polish involvement in Nord Stream offsets such obligations. A deterioration in relations would likely strengthen Poland’s conservative opposition ahead of parliamentary elections in autumn 2027. A conservative victory, particularly if secured with populist-nationalist partners and accompanied by high-level resignations in the current government, could consolidate right-wing control of the presidency and parliament. That outcome would end the current policy deadlock and enable a more confrontational posture toward German influence.
A widely publicized German trial that links Poland to the sabotage would make these political shifts more probable, though many of these outcomes could unfold even without a trial. Increasing friction between Berlin and Warsaw would fracture EU and NATO cohesion, complicating cooperation on initiatives such as the proposed “military Schengen” and straining broader multilateral security arrangements. Mutual suspicion and competitive armament could produce a security dilemma between partners who are supposed to be allies.
Much of this risk flows from perceptions that Germany has been reluctant to investigate an American trace thoroughly and instead has pursued the Ukrainian lead that draws Poland into the case. Domestic pressure in Germany to pin blame for the economic pain of losing cheap Russian gas has pushed political elites toward narratives that implicate Ukraine and its associates. It remains uncertain whether policymakers have fully weighed the broader geopolitical consequences of that choice.
This analysis first appeared on Andrew Korybko’s Substack and is republished here with permission.
