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importantSYS.SOURCE: Leonardo de Moura's Blog• 2026-08-01T18:32:20Z

Postmortem Analysis of Kernel Soundness Bug #14576 in Lean

#lean kernel#ai#metaprogramming#vulnerability#verification

A soundness bug in the Lean kernel (CVE-14576) allowed invalid proofs of False through nested inductive type mismanagement, discovered via an AI-assisted Collatz conjecture disproof. The issue was resolved with metaprogramming restrictions and enhanced kernel checks, highlighting risks in proof assistant verification.

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