CVE-2026-101267
A missing permission check allowed low-privileged users with access to an event but without access to the event's orders to extract some specific information. This information includes the number of attendees and the total revenue.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/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: 2.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.24%
- Percentil entre todas las CVEs puntuadas: 14
- 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 access45 % - Impacto principal
T1005Data from Local Systemcollection70 % - Impacto secundario
T1078Valid Accountsstealth · persistence · privilege escalation · initial access60 %
CWE-862 (falta de validación de permisos) en API accesible remotamente sin autenticación permite lectura no autorizada de datos de eventos. Usuario de bajo privilegio accede a información sensible (asistentes, ingresos) que no debería consultar.
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
CWE
- CWE-862
Referencias
JSON original (NVD)
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{
"id": "CVE-2026-101267",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-101267",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-09-29T14:47:24.731638Z"
}
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 2.7,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/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": "UNREPORTED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "LOW",
"vulnConfidentialityImpact": "LOW",
"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": "655498c3-6ec5-4f0b-aea6-853b334d05a6",
"affectedData": [
{
"repo": "https://github.com/pretix/pretix",
"vendor": "pretix",
"product": "pretix",
"versions": [
{
"status": "affected",
"version": "0.0",
"lessThan": "2026.5.5",
"versionType": "python"
},
{
"status": "affected",
"version": "2026.6.0",
"lessThan": "2026.6.2",
"versionType": "python"
},
{
"status": "affected",
"version": "2026.7.0",
"lessThan": "2026.7.1",
"versionType": "python"
}
],
"packageName": "pretix",
"collectionURL": "https://pypi.python.org",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-09-29T13:17:49.457",
"references": [
{
"url": "https://pretix.eu/about/en/blog/20260929-release-2026-7-1/",
"source": "655498c3-6ec5-4f0b-aea6-853b334d05a6"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A missing permission check allowed low-privileged users with access to an event but without access to the event's orders to extract some specific information. This information includes the number of attendees and the total revenue."
}
],
"lastModified": "2026-09-29T21:28:02.477",
"sourceIdentifier": "655498c3-6ec5-4f0b-aea6-853b334d05a6"
}