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  5. Cosmos Labs Urges EVM Chains to Halt as Shared Flaw Hits Multiple Networks
CryptoMAG 8AI: Bearish
•
2026-08-25•2 min read

Cosmos Labs Urges EVM Chains to Halt as Shared Flaw Hits Multiple Networks

Zubiqo Take
QuoteThreads

“Shipping security fixes to public GitHub commits before private validator alerts simply hands attackers a free roadmap.”

Cosmos Labs Urges EVM Chains to Halt as Shared Flaw Hits Multiple Networks
📷 Image Source: The Defiant

Executive Summary

  • •Cosmos Labs urged all EVM-compatible chains running its software to halt after a shared codebase defect triggered multi-chain drains.
  • •Exploits drained 148 million KII worth $9.7 million and roughly 62% of the circulating TAC supply across targeted networks.
  • •Downstream teams face extended downtime while coordinating patches across decentralized validator sets.

Community Sentiment

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Key Developments & Data

Cosmos Labs urges EVM blockchains to halt following multi-network exploits. An upstream staking precompile underflow defect hit three chains running the module: MANTRA, TAC, and KiiChain. KiiChain lost 148 million KII worth roughly $9.7 million across 18 target wallets before halting block production. TAC halted after an attacker drained 2,985,651,403 TAC, representing about 62% of its circulating supply. Cosmos Labs recommended that chains running versions below v0.6.2 or v0.7.2 freeze validators while deploying patches. "The vulnerability is in Cosmos code, not KiiChain code." — KiiChain Incident Report Pushing security patches to public repositories before coordinating private disclosures creates an open window downstream teams can't defend against.

Zubiqo Strategic Assessment

Primary Impact

Cosmos-based EVM appchains, validator operators, and decentralized bridges connecting Cosmos ecosystems to external Layer 1 networks.

Strategic Shift

The transition away from public-first GitHub patch releases toward private, formalized security consortiums for shared blockchain software libraries.

The Ripple Effect

Downstream appchains will demand strict multi-day disclosure embargoes and automated emergency pause precompiles to prevent public commits from triggering zero-day copycat drains.

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This intelligence assessment is generated by Zubiqo's AI for informational purposes only.

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#cosmos#evm#kiichain#exploit
Read original on The Defiant
Zubiqo MethodologyAI Synthesis

Synthesized from linked market reporting using AI extraction under Zubiqo's editorial standards. Have a correction? Contact our desk.

Event Magnitude8 / 10
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