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Osmosis Incident Analysis

ID: dff81a73-c001-5038-aaac-68b4ac526008

STIX ID: report--dff81a73-c001-5038-aaac-68b4ac526008

Feed Name: CertiK Blog

Threat Score
72/100

Date Published: 2022-06-09

Date Updated: 2026-06-11

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On June 7, 2022 Osmosis was exploited for approximately $5M due to a coding pitfall in MaximalExactRatioJoin that over-calculated LP share issuance (~1.5×), enabling repeated JoinPool/ExitPool transactions to extract excess funds; the chain was halted, exploiters were partially identified and funds traced to CEX accounts, and losses are to be covered from the strategic reserve.

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