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// vulnerability record
cached · NVD via COSMOS syncCVE-2026-46654
HIGHpublished 2026-06-10 22:16 UTC · 2 months ago · modified 2026-06-17 10:53 UTC
8.9
CVSS / 10
// 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.
// weaknesses (CWE)
- CWE-345
- CWE-1240