💥 Attack

Ukrainian SBU and SOF conducted a drone strike against the Kuibyshev Oil Refinery in Samara Oblast.

August 28, 2025 Samara, Samara Oblast

Likely Reported by 3 independent sources

Institute for the Study of War Kyiv Independent Censor.NET

Two or more independent sources agree on the core facts. Additional sources would further strengthen this assessment.

Entities

Security Service of Ukraine (SBU) (organization) Ukrainian Special Operations Forces (SOF) (military_unit) Kuibyshev Oil Refinery (location) Kuibyshev refinery (location) Unmanned Systems Forces (organization) Special Operations Forces (organization) Military Intelligence (HUR) (organization) Ukraine (organization) Afipsky refinery (location) Kuibyshevsk refinery (location) CDU-4 (weapon_system) CDU-5 (weapon_system) Bird's Sting USF (14th regiment) (military_unit) Kuibyshevsky oil refinery (location) Ukrainian Defence Forces (military_unit) Kuybyshevsky Oil Refinery (location) Novokuibyshevsk oil refinery (location) Rosneft (organization) Tu-22M3 (weapon_system)

Source Reports

What each source reports. "Source tone" reflects the language used by the outlet — it is not an independent verification.

Institute for the Study of War → Source tone: certain

Elements of the Ukrainian Security Service (SBU) and Special Operations Forces (SOF) conducted a drone strike against the Kuibyshev Oil Refinery in Samara Oblast

Kyiv Independent → Source tone: likely

Ukrainian forces hit the Kuibyshev refinery in Russia's Samara Oblast overnight on Aug. 28

Censor.NET → Source tone: certain

The Kuibyshevsky oil refinery has a capacity of 7 million tons of oil per year, representing 2.5% of Russia's total refining volume

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Extraction metadata

Extracted: 2026-05-30T04:15:38.820Z

Source story: russian-offensive-campaign-assessment-august-28-2025