CVE-2026-46654

HIGH SEVERITY

Vulnerability 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.

Vulnerability Details

Published Date

May 21, 2026

Last Modified

June 11, 2026

CWE ID

CWE-345

Source

GitHub

Vendor

rust

Product

p3-challenger

External References

https://github.com/Plonky3/Plonky3/security/advisories/GHSA-vj64-rjf3-w3v7
https://github.com/advisories/GHSA-vj64-rjf3-w3v7

CVE-2026-46654

Vulnerability Description

Vulnerability Details

External References

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