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Vulnerabilities

CVE-2026-46654 | BDVDB-2026-339537 Detail

Plonky3Plonky3

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.

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

  • CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation
  • CWE-345 Insufficient Verification of Data Authenticity

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.