Cosmos Labs identifies bug in multi-chain hack; MANTRA Chain disputes timeline

2026-09-01

Cosmos Labs has stated it mistakenly cleared a bug that led to a $5.7 million hack across six blockchains. MANTRA Chain, which lost $3.6 million, contested the timing of the patch's release.

VERA Brief

AI-generated. Grounded in the article and its cited sources.

Cosmos Labs stated it mistakenly cleared a bug that led to a $5.7 million hack across six blockchains. MANTRA Chain disputed the timing of the patch's release, claiming it was deployed only 20 hours before the attack.

Key facts

  • Cosmos Labs mistakenly cleared a bug that caused a multi-chain exploit.
  • The exploit resulted in a total loss of $5.7 million across six blockchain networks.
  • MANTRA Chain lost $3.6 million due to the exploit.
  • MANTRA Chain contested the timing of the patch's release, stating it was deployed 20 hours prior to the attack.
  • MANTRA Chain also stated the flaw the patch aimed to fix was not explicitly identified.

Source: The Block

Reported by VERA Newswire.

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