CVE-2026-13227
An Improper Authorization vulnerability exists in ERPNext version <v16.25.0 and <15.115.0 due to insufficient access control in the whitelisted API method erpnext.crm.doctype.prospect.prospect.get_opportunities.
This issue affects ERPNext: before 15.115.0, before 16.26.0.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.43%
- Percentil entre todas las CVEs puntuadas: 35
- 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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access80 % - Impacto secundario
T1005Data from Local Systemcollection75 %
Acceso de red con autenticación (PR:L) a API mal autorizada en ERPNext expone datos sensibles de oportunidades sin verificación de permisos, permitiendo acceso no autorizado a información confidencial.
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-862
Referencias
- https://fluidattacks.com/es/advisories/kraviz
- https://github.com/frappe/erpnext
- https://github.com/frappe/erpnext/releases?page=2#release-v15.115.0
- https://github.com/frappe/erpnext/releases?page=2#release-v16.26.0
- https://github.com/frappe/erpnext/security/advisories/GHSA-g8r3-82j6-wp48
- https://fluidattacks.com/es/advisories/kraviz
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-13227",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-13227",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-05T14:44:28.071979Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "help@fluidattacks.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 7.1,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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": "NONE",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"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": "help@fluidattacks.com",
"affectedData": [
{
"vendor": "Frappe",
"product": "ERPNext",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "15.115.0",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "16.26.0",
"versionType": "custom"
}
],
"platforms": [
"Windows",
"MacOS",
"Linux"
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-08-04T21:16:35.140",
"references": [
{
"url": "https://fluidattacks.com/es/advisories/kraviz",
"source": "help@fluidattacks.com"
},
{
"url": "https://github.com/frappe/erpnext",
"source": "help@fluidattacks.com"
},
{
"url": "https://github.com/frappe/erpnext/releases?page=2#release-v15.115.0",
"source": "help@fluidattacks.com"
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{
"url": "https://github.com/frappe/erpnext/releases?page=2#release-v16.26.0",
"source": "help@fluidattacks.com"
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{
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"source": "help@fluidattacks.com"
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{
"url": "https://fluidattacks.com/es/advisories/kraviz",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
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],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "help@fluidattacks.com",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Improper Authorization vulnerability exists in ERPNext version <v16.25.0 and <15.115.0 due to insufficient access control in the whitelisted API method erpnext.crm.doctype.prospect.prospect.get_opportunities.\n\nThis issue affects ERPNext: before 15.115.0, before 16.26.0."
}
],
"lastModified": "2026-08-28T15:31:31.210",
"sourceIdentifier": "help@fluidattacks.com"
}