Cardano Warns of Critical Linux Flaw: Is Your ADA at Risk?

A serious security flaw could let hackers disrupt servers that help run Cardano, raising concerns for holders staking roughly 21.5 billion ADA , about 58% of the circulating supply. So far, no Cardano pool attack has been reported. What Is the New Cardano Security Risk? On October 30, Cardano coordinating group Intersect warned pool operators about CVE-2026-98432, a Linux vulnerability rated 9.8 out of 10 for severity. Linux runs many of the servers that produce Cardano blocks. The bug lets specially crafted internet requests confuse how a server handles memory. It could crash the machine or, in certain configurations, let an outsider take control without a password. On October 27, Anthropic said its Claude AI had developed such an attack against servers using multipath TCP, a networking feature.

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