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vuln-cve/data/2026/46xxx/CVE-2026-46654.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-46654",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-15T20:11:54.585Z",
"datePublished": "2026-06-10T20:06:10.554Z",
"dateUpdated": "2026-06-11T14:01:57.462Z"
},
"containers": {
"cna": {
"title": "Plonky3 MultiField32Challenger: transcript malleability and challenge entropy loss",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-1240",
"lang": "en",
"description": "CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-345",
"lang": "en",
"description": "CWE-345: Insufficient Verification of Data Authenticity",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"baseScore": 8.9,
"baseSeverity": "HIGH",
"vectorString": "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",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/Plonky3/Plonky3/security/advisories/GHSA-vj64-rjf3-w3v7",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/Plonky3/Plonky3/security/advisories/GHSA-vj64-rjf3-w3v7"
}
],
"affected": [
{
"vendor": "Plonky3",
"product": "Plonky3",
"versions": [
{
"version": "< 0.4.3",
"status": "affected"
},
{
"version": ">= 0.5.0, < 0.5.3",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-10T20:06:10.554Z"
},
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"source": {
"advisory": "GHSA-vj64-rjf3-w3v7",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-11T14:01:33.851648Z",
"id": "CVE-2026-46654",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-11T14:01:57.462Z"
}
}
]
}
}