CVE-2026-63204
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, an authenticated user with agent permissions can supply an arbitrary AI analytics run identifier to the ticket summarize endpoint and receive the AI provider error message stored for that run, even if the run belongs to a ticket the agent is not authorized to access. The disclosure is limited to the provider error string; ticket content is not exposed. This issue is fixed in version 7.1.2.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/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: 2.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.29%
- Percentil entre todas las CVEs puntuadas: 20
- Fecha de la puntuación: 6/10/2026
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 movement75 % - Impacto principal
T1552.001Credentials In Filescredential access70 %
Usuario autenticado con permisos de agente accede a datos de error de un ejecutable de IA ajena sin autorización previa mediante endpoint de ticket. Revelación limitada a mensajes de error del proveedor de IA.
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-639, CWE-862
Referencias
JSON original (NVD)
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{
"id": "CVE-2026-63204",
"cveTags": [],
"metrics": {
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"id": "CVE-2026-63204",
"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
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"version": "2.0.3",
"timestamp": "2026-09-25T18:41:35.372679Z"
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"valueDensity": "NOT_DEFINED",
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"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"affected": [
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"affectedData": [
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"product": "zammad",
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"published": "2026-09-25T19:17:54.667",
"references": [
{
"url": "https://github.com/zammad/zammad/commit/849191c32a76f62fbd7cf4582a2b1e05e25f25ed",
"source": "security-advisories@github.com"
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"source": "security-advisories@github.com"
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"descriptions": [
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"value": "Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, an authenticated user with agent permissions can supply an arbitrary AI analytics run identifier to the ticket summarize endpoint and receive the AI provider error message stored for that run, even if the run belongs to a ticket the agent is not authorized to access. The disclosure is limited to the provider error string; ticket content is not exposed. This issue is fixed in version 7.1.2."
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],
"lastModified": "2026-09-28T14:45:39.697",
"sourceIdentifier": "security-advisories@github.com"
}