Security Advisory

CVE-2026-46654

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-10 20:06:10

Last updated 2026-06-11 14:01:57

Assigner GitHub_M

CVSS score 8.9

State PUBLISHED

Description

Plonky3 is a toolkit for polynomial IOPs (PIOPs). Prior to versions 0.4.3 and 0.5.3, an attacker controlling prover-side observations can craft distinct transcripts that produce identical challenges, breaking the binding property of Fiat-Shamir. This issue has been patched in versions 0.4.3 and 0.5.3.

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