Diplomatic — 2026-05-27

Ukraine NSDC Secretary Umerov Meets E3 National Security Advisers in Secret Berlin Talks

BLUFBerlin's huddle signals Europe stepping into the mediation void, but a formal E3 written security guarantee tabled in an official forum by September 30, 2026 remains unlikely absent resolved EU-accession friction with Kyiv.

Ukraine's NSDC Secretary Rustem Umerov held confidential talks in Berlin on Tuesday with national security advisers from Germany, France, and the United Kingdom, according to Politico citing two people familiar with the meeting 12. A spokesman for Chancellor Friedrich Merz confirmed only that it was a "confidential meeting" and declined further comment; the Ukrainian Embassy in Berlin also declined to comment 13. Umerov posted on Telegram afterward that he had also consulted with Nordic-Baltic Eight (NB8) national security advisers and that both sets of discussions addressed the negotiation track and security guarantees for Ukraine 4. He had traveled to Berlin from Brussels, where on Monday he met European Commission cabinet chief Björn Seibert on defense industry cooperation 12.

Analysis
A formal E3 written security guarantee proposal tabled in an official diplomatic forum by September 30, 2026 is unlikely. Position-synchronization on a negotiation track falls well short of that bar, which requires internal E3 legal alignment, a defined receiving forum, and Ukrainian consent to terms no party has publicly endorsed. The unresolved Merz-Zelensky dispute over EU membership terms signals foundational disagreement that would precede any guarantee framework. The consultations may instead serve primarily as a cohesion signal to Moscow during U.S. disengagement, with guarantee drafting deferred pending resolution of that dispute. Moderate confidence rests on the official German acknowledgment and Umerov's Telegram post, with substance otherwise uncorroborated outside Ukrainian government communications. Without a formal European security anchor, Kyiv faces accelerating pressure toward bilateral arrangements with individual states.

5 sources

Umerov arrives in Berlin for talks with Germany, France, and Britain - Politico - Ukrainian News (UNN)
Umerov meeting German French and UK national security advisers in Berlin - Ukrinform
Umerov Made A Surprise Visit To Berlin - Charter'97
Umerov, national security advisers from E3, NB8 discuss negotiation track, security guarantees - Interfax Ukraine
Zelensky's top negotiator Rustem Umerov in Berlin for Ukraine peace talks - Politico Europe