Vulnerability in Plonky3

CVE-2026-46654

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-S…

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

Affected products

  • Plonky3 — versions < 0.4.3, >= 0.5.0, < 0.5.3

Weakness classification (CWE)

References