CVE-2026-46654EPSS p1.5%

CVE-2026-46654CVE-2026-46654

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.

Scoring

EPSS0.11% probability of exploitation · percentile 1.5% · 2026-06-18T12:00:27Z
Last modified2026-06-11

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.