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AI Meets Cryptography 2: What AI Found in OpenVM's ZkVM
We turned zkao (our AI auditor) on OpenVM, a state-of-the-art zkVM, and it found a critical soundness bug: the pairing check accepted a prover-supplied witness without proper subfield checking, which lets a malicious prover forge any pairing equality. It is fixed in OpenVM 1.6.0 and tracked as CVE-2026-46669. This is the second post in our series on bugs our agents found across open source cryptography.
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