AI Summary

Cosmos Labs disclosed that a critical balance‑handling flaw in the shared Cosmos EVM module was exploited to drain funds from six blockchains between August 20 and August 25, 2026. The vulnerability, identified as GHSA‑7g4w‑cg88‑2cq2, was rated Critical by Cosmos Labs. The advisory noted that the flaw was known to Cosmos Labs before the attacks, but it lacked a CVE identifier, weakness classification, or CVSS score. The exploitation affected multiple blockchains that run the Cosmos EVM during the specified period.

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