Cosmos misjudged a critical bug for 4 months before hackers stole nearly $6 million across 6 chains
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August 28, 2026
A Cosmos EVM vulnerability exploited across six networks, including MANTRA, exposed a security gap spanning around 40 blockchains. On Aug. 28, Cosmos Labs said the same accounting flaw was exploited on six networks, including MANTRA, TAC, and KiiChain,…
MANTRA Chain stays offline after exploit as Aug. 21 restart hinges on patch test
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August 21, 2026
MANTRA Chain remained halted on Aug. 21 after the team said an attacker exploited a vulnerability in an upstream dependency. Transactions, transfers, and staking are unavailable while the mainnet is paused. MANTRA identified the vulnerable software only…