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Wire · technology

Cosmos EVM Flaw Exploited After Cosmos Labs Knew Every Blockchain Running It Was Vulnerable

29 August 2026 · By · Wire by Fusion42

Published

29 August 2026

Topic

technology

◆ Sectors

Crypto & Web3

◆ Source

Read at thehackernews.com →

◆ Verified

Fusion42 · 29 August 2026 · Fusion42 review

Cosmos Labs disclosed a critical vulnerability in the Cosmos EVM module that was exploited to drain funds from six blockchains. The flaw, known since April 2026, required urgent coordinated upgrades or chain halting to mitigate further loss.

This Wire brief sits within Fusion42's coverage of Crypto & Web3.

◆ ◆ The Wire takeaway

You must treat node upgrades as critical risk events and avoid silent patches against fund-threatening bugs. Any blockchain relying on Cosmos EVM needs immediate action on proven vulnerabilities or face halted chains and fund loss.

◆ Coverage

1 source · 29 Aug 2026

◆ Related on Wire

◆ Topics

Crypto & Web3cosmos-evmblockchain-securityvulnerability-exploitnetwork-upgradecrypto