Cosmos Labs Admits Error Following $5.7M Multi-Chain Hack
Cosmos Labs mistakenly cleared a software bug that led to a $5.7 million exploit across six chains, leaving appchains vulnerable.
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Key takeaways
- Cosmos Labs admitted to mistakenly clearing a vulnerability behind a $5.7 million six-chain exploit.
- MANTRA Chain suffered the biggest hit, losing $3.6 million.
- MANTRA claimed the patch arrived just 20 hours before the attack and failed to identify the flaw.
Cosmos Labs has admitted to a critical oversight: its team mistakenly gave a clean bill of health to a software bug that attackers ultimately leveraged to steal $5.7 million across six separate blockchains.
MANTRA Chain absorbed the worst of it, losing $3.6 million in the exploit.
A Last-Minute Patch
MANTRA reported that developers pushed an emergency software patch just 20 hours before the attack hit. Worse yet, MANTRA's team stated the update didn't actually specify or identify the vulnerability it was meant to resolve.
Why it matters
In modular networks where separate chains share core code, communication is everything. Pushing a patch hours before a breach leaves project teams virtually no time to act—especially when core maintainers mislabel a lethal flaw as harmless. For anyone holding or staking tokens across connected appchains, bad coordination between core builders and ecosystem teams can wipe out millions overnight.
Source: The Block
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Daniel Okoro
Daniel tracks crypto regulation and policy across the US, EU and Asia, with a decade in financial journalism.
