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    2 vulnerabilities by Plonky3

    CVE-2026-46654 (GCVE-0-2026-46654)

    Vulnerability from nvd – Published: 2026-06-10 20:06 – Updated: 2026-06-11 14:01
    VLAI
    Title
    Plonky3 MultiField32Challenger: transcript malleability and challenge entropy loss
    Summary
    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.
    Severity
    8.9 (High)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    Plonky3 Plonky3 Affected: < 0.4.3
    Affected: >= 0.5.0, < 0.5.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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    ],
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      ],
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      "title": "Plonky3 MultiField32Challenger: transcript malleability and challenge entropy loss"
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    CVE-2026-46654 (GCVE-0-2026-46654)

    Vulnerability from cvelistv5 – Published: 2026-06-10 20:06 – Updated: 2026-06-11 14:01
    VLAI
    Title
    Plonky3 MultiField32Challenger: transcript malleability and challenge entropy loss
    Summary
    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.
    Severity
    8.9 (High)
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1240 - Use of a Cryptographic Primitive with a Risky Implementation
    • CWE-345 - Insufficient Verification of Data Authenticity
    Assigner
    References
    Impacted products
    Vendor Product Version
    Plonky3 Plonky3 Affected: < 0.4.3
    Affected: >= 0.5.0, < 0.5.3
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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      "title": "Plonky3 MultiField32Challenger: transcript malleability and challenge entropy loss"
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