CVE-2026-86536
Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0 and re-generate JS code, which fixes the issue.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 6.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.46%
- Percentil entre todas las CVEs puntuadas: 38
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access75 % - Impacto principal
T1059.007JavaScriptexecution65 % - Impacto secundario
T1565.003Runtime Data Manipulationimpact55 %
Prototype pollution en Apache Thrift JS (CWE-1321) permite modificar objetos sin autenticación (PR:N) por red (AV:N). Impacta ejecución JS en navegador (T1059.007) y manipulación de datos (T1565.003) enviados al servidor.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-1321
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-86536",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-86536",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-02T17:31:18.825512Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "security@apache.org",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 6.3,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "security@apache.org",
"affectedData": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Thrift",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.25.0",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/thrift",
"packageName": "thrift",
"collectionURL": "https://registry.npmjs.org",
"defaultStatus": "unaffected"
},
{
"vendor": "Apache Software Foundation",
"product": "Apache Thrift",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.25.0",
"versionType": "semver"
}
],
"packageName": "javascript bindings",
"defaultStatus": "unaffected"
},
{
"vendor": "Apache Software Foundation",
"product": "Apache Thrift",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.25.0",
"versionType": "semver"
}
],
"packageName": "typescript bindings",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-02T12:17:22.100",
"references": [
{
"url": "https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1",
"source": "security@apache.org"
},
{
"url": "https://lists.apache.org/thread/xckvfky30kdnk8vqnhy0wndthvc9nymp",
"source": "security@apache.org"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@apache.org",
"description": [
{
"lang": "en",
"value": "CWE-1321"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings.\n\n\n\nThis issue affects Apache Thrift: before 0.25.0.\n\n\n\nUsers are recommended to upgrade to version 0.25.0 and re-generate JS code, which fixes the issue."
}
],
"lastModified": "2026-10-02T18:17:06.720",
"sourceIdentifier": "security@apache.org"
}