{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-46654/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-11T14:01:57.462Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-46654","@id":"https://www.cve.org/CVERecord?id=CVE-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."},"products":[{"@id":"cpe:2.3:a:plonky3:plonky3:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:plonky3:plonky3:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-11T14:01:57.462Z"}]}