VULNERABILITY INTELLIGENCE

CVE-2026-46654

EPSS probability0.11%
CISA KEVNot currently listed
Published2026-06-10
Last modified2026-07-23

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.

Weakness classification

  • security-advisories@github.com: CWE-345

Primary references